Home / 20,403,048.60-30,604,572.90-17,745,843.60

Finding the Fourth Proportional to 20,403,048.60, 30,604,572.90 and 17,745,843.60

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Solution

The fourth proportional to 20,403,048.60, 30,604,572.90 and 17,745,843.60 is: 26,618,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,048.60 : 30,604,572.90 = 17,745,843.60 : x
  2. Step 2: Convert to fraction form
    20,403,048.60/30,604,572.90 = 17,745,843.60/x
  3. Step 3: Cross multiply
    20,403,048.60x = 30,604,572.90 × 17,745,843.60
  4. Step 4: Simplify right side
    20,403,048.60x = 543,103,964,128,198.44
  5. Step 5: Solve for x
    x = 543,103,964,128,198.44/20,403,048.60
  6. Step 6: Final answer
    x = 26,618,765.40

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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.