Home / 9,929,025.20-13,703,436.08-5,578,447.92

Finding the Fourth Proportional to 9,929,025.20, 13,703,436.08 and 5,578,447.92

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Solution

The fourth proportional to 9,929,025.20, 13,703,436.08 and 5,578,447.92 is: 7,699,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,025.20 : 13,703,436.08 = 5,578,447.92 : x
  2. Step 2: Convert to fraction form
    9,929,025.20/13,703,436.08 = 5,578,447.92/x
  3. Step 3: Cross multiply
    9,929,025.20x = 13,703,436.08 × 5,578,447.92
  4. Step 4: Simplify right side
    9,929,025.20x = 76,443,904,497,328.95
  5. Step 5: Solve for x
    x = 76,443,904,497,328.95/9,929,025.20
  6. Step 6: Final answer
    x = 7,699,034.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.