Home / 9,687,761.29-13,382,708.47-9,177,577.93

Finding the Fourth Proportional to 9,687,761.29, 13,382,708.47 and 9,177,577.93

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Solution

The fourth proportional to 9,687,761.29, 13,382,708.47 and 9,177,577.93 is: 12,677,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687,761.29 : 13,382,708.47 = 9,177,577.93 : x
  2. Step 2: Convert to fraction form
    9,687,761.29/13,382,708.47 = 9,177,577.93/x
  3. Step 3: Cross multiply
    9,687,761.29x = 13,382,708.47 × 9,177,577.93
  4. Step 4: Simplify right side
    9,687,761.29x = 122,820,849,943,304.39
  5. Step 5: Solve for x
    x = 122,820,849,943,304.39/9,687,761.29
  6. Step 6: Final answer
    x = 12,677,939.34

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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.