Home / 10,404,819.60-15,607,229.40-9,979,666.80

Finding the Fourth Proportional to 10,404,819.60, 15,607,229.40 and 9,979,666.80

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Solution

The fourth proportional to 10,404,819.60, 15,607,229.40 and 9,979,666.80 is: 14,969,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404,819.60 : 15,607,229.40 = 9,979,666.80 : x
  2. Step 2: Convert to fraction form
    10,404,819.60/15,607,229.40 = 9,979,666.80/x
  3. Step 3: Cross multiply
    10,404,819.60x = 15,607,229.40 × 9,979,666.80
  4. Step 4: Simplify right side
    10,404,819.60x = 155,754,949,083,163.94
  5. Step 5: Solve for x
    x = 155,754,949,083,163.94/10,404,819.60
  6. Step 6: Final answer
    x = 14,969,500.20

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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.