Home / 39,591,010.90-59,386,516.35-20,219,986.45

Finding the Fourth Proportional to 39,591,010.90, 59,386,516.35 and 20,219,986.45

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Solution

The fourth proportional to 39,591,010.90, 59,386,516.35 and 20,219,986.45 is: 30,329,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,591,010.90 : 59,386,516.35 = 20,219,986.45 : x
  2. Step 2: Convert to fraction form
    39,591,010.90/59,386,516.35 = 20,219,986.45/x
  3. Step 3: Cross multiply
    39,591,010.90x = 59,386,516.35 × 20,219,986.45
  4. Step 4: Simplify right side
    39,591,010.90x = 1,200,794,555,909,703.50
  5. Step 5: Solve for x
    x = 1,200,794,555,909,703.50/39,591,010.90
  6. Step 6: Final answer
    x = 30,329,979.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.