Home / 18,120,713.14-25,006,588.20-9,971,951.14

Finding the Fourth Proportional to 18,120,713.14, 25,006,588.20 and 9,971,951.14

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Solution

The fourth proportional to 18,120,713.14, 25,006,588.20 and 9,971,951.14 is: 13,761,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,713.14 : 25,006,588.20 = 9,971,951.14 : x
  2. Step 2: Convert to fraction form
    18,120,713.14/25,006,588.20 = 9,971,951.14/x
  3. Step 3: Cross multiply
    18,120,713.14x = 25,006,588.20 × 9,971,951.14
  4. Step 4: Simplify right side
    18,120,713.14x = 249,364,475,645,984.06
  5. Step 5: Solve for x
    x = 249,364,475,645,984.06/18,120,713.14
  6. Step 6: Final answer
    x = 13,761,294.81

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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.