Home / 9,976,510.38-14,949,543.81-5,185,755.66

Finding the Fourth Proportional to 9,976,510.38, 14,949,543.81 and 5,185,755.66

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Solution

The fourth proportional to 9,976,510.38, 14,949,543.81 and 5,185,755.66 is: 7,770,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976,510.38 : 14,949,543.81 = 5,185,755.66 : x
  2. Step 2: Convert to fraction form
    9,976,510.38/14,949,543.81 = 5,185,755.66/x
  3. Step 3: Cross multiply
    9,976,510.38x = 14,949,543.81 × 5,185,755.66
  4. Step 4: Simplify right side
    9,976,510.38x = 77,524,681,427,125.47
  5. Step 5: Solve for x
    x = 77,524,681,427,125.47/9,976,510.38
  6. Step 6: Final answer
    x = 7,770,721.27

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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.