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Finding the Fourth Proportional to 8,700,964.44, 12,007,671.36 and 5,953,414.46

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Solution

The fourth proportional to 8,700,964.44, 12,007,671.36 and 5,953,414.46 is: 8,215,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,964.44 : 12,007,671.36 = 5,953,414.46 : x
  2. Step 2: Convert to fraction form
    8,700,964.44/12,007,671.36 = 5,953,414.46/x
  3. Step 3: Cross multiply
    8,700,964.44x = 12,007,671.36 × 5,953,414.46
  4. Step 4: Simplify right side
    8,700,964.44x = 71,486,644,305,551.86
  5. Step 5: Solve for x
    x = 71,486,644,305,551.86/8,700,964.44
  6. Step 6: Final answer
    x = 8,215,944.89

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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.