Home / 7,176,726.13-9,904,121.21-3,913,719.40

Finding the Fourth Proportional to 7,176,726.13, 9,904,121.21 and 3,913,719.40

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Solution

The fourth proportional to 7,176,726.13, 9,904,121.21 and 3,913,719.40 is: 5,401,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,726.13 : 9,904,121.21 = 3,913,719.40 : x
  2. Step 2: Convert to fraction form
    7,176,726.13/9,904,121.21 = 3,913,719.40/x
  3. Step 3: Cross multiply
    7,176,726.13x = 9,904,121.21 × 3,913,719.40
  4. Step 4: Simplify right side
    7,176,726.13x = 38,761,951,319,528.48
  5. Step 5: Solve for x
    x = 38,761,951,319,528.48/7,176,726.13
  6. Step 6: Final answer
    x = 5,401,063.19

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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.