Home / 15,338,682.98-21,167,825.16-8,463,607.92

Finding the Fourth Proportional to 15,338,682.98, 21,167,825.16 and 8,463,607.92

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Solution

The fourth proportional to 15,338,682.98, 21,167,825.16 and 8,463,607.92 is: 11,680,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,682.98 : 21,167,825.16 = 8,463,607.92 : x
  2. Step 2: Convert to fraction form
    15,338,682.98/21,167,825.16 = 8,463,607.92/x
  3. Step 3: Cross multiply
    15,338,682.98x = 21,167,825.16 × 8,463,607.92
  4. Step 4: Simplify right side
    15,338,682.98x = 179,156,172,673,351.28
  5. Step 5: Solve for x
    x = 179,156,172,673,351.28/15,338,682.98
  6. Step 6: Final answer
    x = 11,680,023.17

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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.