Home / 15,472,719.47-21,352,864.80-8,503,644.06

Finding the Fourth Proportional to 15,472,719.47, 21,352,864.80 and 8,503,644.06

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Solution

The fourth proportional to 15,472,719.47, 21,352,864.80 and 8,503,644.06 is: 11,735,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,719.47 : 21,352,864.80 = 8,503,644.06 : x
  2. Step 2: Convert to fraction form
    15,472,719.47/21,352,864.80 = 8,503,644.06/x
  3. Step 3: Cross multiply
    15,472,719.47x = 21,352,864.80 × 8,503,644.06
  4. Step 4: Simplify right side
    15,472,719.47x = 181,577,161,952,391.78
  5. Step 5: Solve for x
    x = 181,577,161,952,391.78/15,472,719.47
  6. Step 6: Final answer
    x = 11,735,310.16

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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.