Home / 8,159,862.30-12,239,793.45-4,912,604.70

Finding the Fourth Proportional to 8,159,862.30, 12,239,793.45 and 4,912,604.70

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Solution

The fourth proportional to 8,159,862.30, 12,239,793.45 and 4,912,604.70 is: 7,368,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,862.30 : 12,239,793.45 = 4,912,604.70 : x
  2. Step 2: Convert to fraction form
    8,159,862.30/12,239,793.45 = 4,912,604.70/x
  3. Step 3: Cross multiply
    8,159,862.30x = 12,239,793.45 × 4,912,604.70
  4. Step 4: Simplify right side
    8,159,862.30x = 60,129,266,829,499.21
  5. Step 5: Solve for x
    x = 60,129,266,829,499.21/8,159,862.30
  6. Step 6: Final answer
    x = 7,368,907.05

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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.