Home / 15,534,839.52-21,447,263.16-13,811,188.68

Finding the Fourth Proportional to 15,534,839.52, 21,447,263.16 and 13,811,188.68

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Solution

The fourth proportional to 15,534,839.52, 21,447,263.16 and 13,811,188.68 is: 19,067,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534,839.52 : 21,447,263.16 = 13,811,188.68 : x
  2. Step 2: Convert to fraction form
    15,534,839.52/21,447,263.16 = 13,811,188.68/x
  3. Step 3: Cross multiply
    15,534,839.52x = 21,447,263.16 × 13,811,188.68
  4. Step 4: Simplify right side
    15,534,839.52x = 296,212,198,172,373
  5. Step 5: Solve for x
    x = 296,212,198,172,373/15,534,839.52
  6. Step 6: Final answer
    x = 19,067,605.93

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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.