Home / 5,258,048.40-7,887,072.60-5,187,189.60

Finding the Fourth Proportional to 5,258,048.40, 7,887,072.60 and 5,187,189.60

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Solution

The fourth proportional to 5,258,048.40, 7,887,072.60 and 5,187,189.60 is: 7,780,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258,048.40 : 7,887,072.60 = 5,187,189.60 : x
  2. Step 2: Convert to fraction form
    5,258,048.40/7,887,072.60 = 5,187,189.60/x
  3. Step 3: Cross multiply
    5,258,048.40x = 7,887,072.60 × 5,187,189.60
  4. Step 4: Simplify right side
    5,258,048.40x = 40,911,740,965,164.95
  5. Step 5: Solve for x
    x = 40,911,740,965,164.95/5,258,048.40
  6. Step 6: Final answer
    x = 7,780,784.40

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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.