Home / 10,456,489.60-15,684,734.40-3,725,123.20

Finding the Fourth Proportional to 10,456,489.60, 15,684,734.40 and 3,725,123.20

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Solution

The fourth proportional to 10,456,489.60, 15,684,734.40 and 3,725,123.20 is: 5,587,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,489.60 : 15,684,734.40 = 3,725,123.20 : x
  2. Step 2: Convert to fraction form
    10,456,489.60/15,684,734.40 = 3,725,123.20/x
  3. Step 3: Cross multiply
    10,456,489.60x = 15,684,734.40 × 3,725,123.20
  4. Step 4: Simplify right side
    10,456,489.60x = 58,427,567,999,278.09
  5. Step 5: Solve for x
    x = 58,427,567,999,278.09/10,456,489.60
  6. Step 6: Final answer
    x = 5,587,684.80

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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.