Home / 21,145,126.68-31,717,717.86-5,792,552.87

Finding the Fourth Proportional to 21,145,126.68, 31,717,717.86 and 5,792,552.87

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Solution

The fourth proportional to 21,145,126.68, 31,717,717.86 and 5,792,552.87 is: 8,688,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145,126.68 : 31,717,717.86 = 5,792,552.87 : x
  2. Step 2: Convert to fraction form
    21,145,126.68/31,717,717.86 = 5,792,552.87/x
  3. Step 3: Cross multiply
    21,145,126.68x = 31,717,717.86 × 5,792,552.87
  4. Step 4: Simplify right side
    21,145,126.68x = 183,726,557,619,793.25
  5. Step 5: Solve for x
    x = 183,726,557,619,793.25/21,145,126.68
  6. Step 6: Final answer
    x = 8,688,836.93

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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.