Home / 15,799,108.73-21,796,611.17-9,915,309.53

Finding the Fourth Proportional to 15,799,108.73, 21,796,611.17 and 9,915,309.53

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Solution

The fourth proportional to 15,799,108.73, 21,796,611.17 and 9,915,309.53 is: 13,679,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799,108.73 : 21,796,611.17 = 9,915,309.53 : x
  2. Step 2: Convert to fraction form
    15,799,108.73/21,796,611.17 = 9,915,309.53/x
  3. Step 3: Cross multiply
    15,799,108.73x = 21,796,611.17 × 9,915,309.53
  4. Step 4: Simplify right side
    15,799,108.73x = 216,120,146,378,783.16
  5. Step 5: Solve for x
    x = 216,120,146,378,783.16/15,799,108.73
  6. Step 6: Final answer
    x = 13,679,261.92

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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.