Home / 6,912,013.80-10,368,020.70-6,491,764.20

Finding the Fourth Proportional to 6,912,013.80, 10,368,020.70 and 6,491,764.20

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Solution

The fourth proportional to 6,912,013.80, 10,368,020.70 and 6,491,764.20 is: 9,737,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,013.80 : 10,368,020.70 = 6,491,764.20 : x
  2. Step 2: Convert to fraction form
    6,912,013.80/10,368,020.70 = 6,491,764.20/x
  3. Step 3: Cross multiply
    6,912,013.80x = 10,368,020.70 × 6,491,764.20
  4. Step 4: Simplify right side
    6,912,013.80x = 67,306,745,605,118.94
  5. Step 5: Solve for x
    x = 67,306,745,605,118.94/6,912,013.80
  6. Step 6: Final answer
    x = 9,737,646.30

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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.