Home / 21,145,126.93-31,717,718.24-5,792,553.12

Finding the Fourth Proportional to 21,145,126.93, 31,717,718.24 and 5,792,553.12

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Solution

The fourth proportional to 21,145,126.93, 31,717,718.24 and 5,792,553.12 is: 8,688,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145,126.93 : 31,717,718.24 = 5,792,553.12 : x
  2. Step 2: Convert to fraction form
    21,145,126.93/31,717,718.24 = 5,792,553.12/x
  3. Step 3: Cross multiply
    21,145,126.93x = 31,717,718.24 × 5,792,553.12
  4. Step 4: Simplify right side
    21,145,126.93x = 183,726,567,750,392.91
  5. Step 5: Solve for x
    x = 183,726,567,750,392.91/21,145,126.93
  6. Step 6: Final answer
    x = 8,688,837.31

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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.