Home / 20,862,657.14-28,792,190.41-11,573,222.24

Finding the Fourth Proportional to 20,862,657.14, 28,792,190.41 and 11,573,222.24

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Solution

The fourth proportional to 20,862,657.14, 28,792,190.41 and 11,573,222.24 is: 15,972,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,657.14 : 28,792,190.41 = 11,573,222.24 : x
  2. Step 2: Convert to fraction form
    20,862,657.14/28,792,190.41 = 11,573,222.24/x
  3. Step 3: Cross multiply
    20,862,657.14x = 28,792,190.41 × 11,573,222.24
  4. Step 4: Simplify right side
    20,862,657.14x = 333,218,418,218,432.69
  5. Step 5: Solve for x
    x = 333,218,418,218,432.69/20,862,657.14
  6. Step 6: Final answer
    x = 15,972,002.80

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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.