Home / 47,657,065.91-71,476,456.13-18,510,872.63

Finding the Fourth Proportional to 47,657,065.91, 71,476,456.13 and 18,510,872.63

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Solution

The fourth proportional to 47,657,065.91, 71,476,456.13 and 18,510,872.63 is: 27,762,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,657,065.91 : 71,476,456.13 = 18,510,872.63 : x
  2. Step 2: Convert to fraction form
    47,657,065.91/71,476,456.13 = 18,510,872.63/x
  3. Step 3: Cross multiply
    47,657,065.91x = 71,476,456.13 × 18,510,872.63
  4. Step 4: Simplify right side
    47,657,065.91x = 1,323,091,575,373,658.25
  5. Step 5: Solve for x
    x = 1,323,091,575,373,658.25/47,657,065.91
  6. Step 6: Final answer
    x = 27,762,757.74

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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.