Home / 16,121,013.40-24,187,049.70-7,152,002.20

Finding the Fourth Proportional to 16,121,013.40, 24,187,049.70 and 7,152,002.20

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Solution

The fourth proportional to 16,121,013.40, 24,187,049.70 and 7,152,002.20 is: 10,730,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121,013.40 : 24,187,049.70 = 7,152,002.20 : x
  2. Step 2: Convert to fraction form
    16,121,013.40/24,187,049.70 = 7,152,002.20/x
  3. Step 3: Cross multiply
    16,121,013.40x = 24,187,049.70 × 7,152,002.20
  4. Step 4: Simplify right side
    16,121,013.40x = 172,985,832,665,909.34
  5. Step 5: Solve for x
    x = 172,985,832,665,909.34/16,121,013.40
  6. Step 6: Final answer
    x = 10,730,456.48

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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.