Home / 6,912,005.05-10,368,007.58-6,491,755.45

Finding the Fourth Proportional to 6,912,005.05, 10,368,007.58 and 6,491,755.45

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Solution

The fourth proportional to 6,912,005.05, 10,368,007.58 and 6,491,755.45 is: 9,737,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,005.05 : 10,368,007.58 = 6,491,755.45 : x
  2. Step 2: Convert to fraction form
    6,912,005.05/10,368,007.58 = 6,491,755.45/x
  3. Step 3: Cross multiply
    6,912,005.05x = 10,368,007.58 × 6,491,755.45
  4. Step 4: Simplify right side
    6,912,005.05x = 67,306,569,680,647.53
  5. Step 5: Solve for x
    x = 67,306,569,680,647.53/6,912,005.05
  6. Step 6: Final answer
    x = 9,737,633.18

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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.