Home / 12,145,000.29-18,220,691.03-4,364,700.12

Finding the Fourth Proportional to 12,145,000.29, 18,220,691.03 and 4,364,700.12

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Solution

The fourth proportional to 12,145,000.29, 18,220,691.03 and 4,364,700.12 is: 6,548,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,000.29 : 18,220,691.03 = 4,364,700.12 : x
  2. Step 2: Convert to fraction form
    12,145,000.29/18,220,691.03 = 4,364,700.12/x
  3. Step 3: Cross multiply
    12,145,000.29x = 18,220,691.03 × 4,364,700.12
  4. Step 4: Simplify right side
    12,145,000.29x = 79,527,852,325,123.94
  5. Step 5: Solve for x
    x = 79,527,852,325,123.94/12,145,000.29
  6. Step 6: Final answer
    x = 6,548,196.82

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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.