Home / 20,819,706.16-28,732,092.21-11,527,275.95

Finding the Fourth Proportional to 20,819,706.16, 28,732,092.21 and 11,527,275.95

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Solution

The fourth proportional to 20,819,706.16, 28,732,092.21 and 11,527,275.95 is: 15,908,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,706.16 : 28,732,092.21 = 11,527,275.95 : x
  2. Step 2: Convert to fraction form
    20,819,706.16/28,732,092.21 = 11,527,275.95/x
  3. Step 3: Cross multiply
    20,819,706.16x = 28,732,092.21 × 11,527,275.95
  4. Step 4: Simplify right side
    20,819,706.16x = 331,202,755,522,014.94
  5. Step 5: Solve for x
    x = 331,202,755,522,014.94/20,819,706.16
  6. Step 6: Final answer
    x = 15,908,137.85

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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.