Home / 10,404,820.10-15,607,230.15-9,979,667.30

Finding the Fourth Proportional to 10,404,820.10, 15,607,230.15 and 9,979,667.30

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Solution

The fourth proportional to 10,404,820.10, 15,607,230.15 and 9,979,667.30 is: 14,969,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404,820.10 : 15,607,230.15 = 9,979,667.30 : x
  2. Step 2: Convert to fraction form
    10,404,820.10/15,607,230.15 = 9,979,667.30/x
  3. Step 3: Cross multiply
    10,404,820.10x = 15,607,230.15 × 9,979,667.30
  4. Step 4: Simplify right side
    10,404,820.10x = 155,754,964,371,529.12
  5. Step 5: Solve for x
    x = 155,754,964,371,529.12/10,404,820.10
  6. Step 6: Final answer
    x = 14,969,500.95

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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.