Home / 21,537,463.56-32,299,205.04-7,156,671.72

Finding the Fourth Proportional to 21,537,463.56, 32,299,205.04 and 7,156,671.72

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Solution

The fourth proportional to 21,537,463.56, 32,299,205.04 and 7,156,671.72 is: 10,732,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537,463.56 : 32,299,205.04 = 7,156,671.72 : x
  2. Step 2: Convert to fraction form
    21,537,463.56/32,299,205.04 = 7,156,671.72/x
  3. Step 3: Cross multiply
    21,537,463.56x = 32,299,205.04 × 7,156,671.72
  4. Step 4: Simplify right side
    21,537,463.56x = 231,154,807,288,249.47
  5. Step 5: Solve for x
    x = 231,154,807,288,249.47/21,537,463.56
  6. Step 6: Final answer
    x = 10,732,684.78

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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.