Home / 15,758,282.82-21,756,549.30-9,885,966.42

Finding the Fourth Proportional to 15,758,282.82, 21,756,549.30 and 9,885,966.42

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Solution

The fourth proportional to 15,758,282.82, 21,756,549.30 and 9,885,966.42 is: 13,648,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758,282.82 : 21,756,549.30 = 9,885,966.42 : x
  2. Step 2: Convert to fraction form
    15,758,282.82/21,756,549.30 = 9,885,966.42/x
  3. Step 3: Cross multiply
    15,758,282.82x = 21,756,549.30 × 9,885,966.42
  4. Step 4: Simplify right side
    15,758,282.82x = 215,084,515,794,874.50
  5. Step 5: Solve for x
    x = 215,084,515,794,874.50/15,758,282.82
  6. Step 6: Final answer
    x = 13,648,981.82

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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.