Home / 8,755,688.40-13,098,103.20-7,692,806.40

Finding the Fourth Proportional to 8,755,688.40, 13,098,103.20 and 7,692,806.40

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Solution

The fourth proportional to 8,755,688.40, 13,098,103.20 and 7,692,806.40 is: 11,508,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755,688.40 : 13,098,103.20 = 7,692,806.40 : x
  2. Step 2: Convert to fraction form
    8,755,688.40/13,098,103.20 = 7,692,806.40/x
  3. Step 3: Cross multiply
    8,755,688.40x = 13,098,103.20 × 7,692,806.40
  4. Step 4: Simplify right side
    8,755,688.40x = 100,761,172,124,820.48
  5. Step 5: Solve for x
    x = 100,761,172,124,820.48/8,755,688.40
  6. Step 6: Final answer
    x = 11,508,081.09

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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.