Home / 21,997,772.70-33,012,405.45-12,402,966.30

Finding the Fourth Proportional to 21,997,772.70, 33,012,405.45 and 12,402,966.30

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Solution

The fourth proportional to 21,997,772.70, 33,012,405.45 and 12,402,966.30 is: 18,613,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997,772.70 : 33,012,405.45 = 12,402,966.30 : x
  2. Step 2: Convert to fraction form
    21,997,772.70/33,012,405.45 = 12,402,966.30/x
  3. Step 3: Cross multiply
    21,997,772.70x = 33,012,405.45 × 12,402,966.30
  4. Step 4: Simplify right side
    21,997,772.70x = 409,451,752,278,286.38
  5. Step 5: Solve for x
    x = 409,451,752,278,286.38/21,997,772.70
  6. Step 6: Final answer
    x = 18,613,327.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.