Home / 10,363,920.05-15,545,880.08-4,969,793.90

Finding the Fourth Proportional to 10,363,920.05, 15,545,880.08 and 4,969,793.90

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Solution

The fourth proportional to 10,363,920.05, 15,545,880.08 and 4,969,793.90 is: 7,454,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,920.05 : 15,545,880.08 = 4,969,793.90 : x
  2. Step 2: Convert to fraction form
    10,363,920.05/15,545,880.08 = 4,969,793.90/x
  3. Step 3: Cross multiply
    10,363,920.05x = 15,545,880.08 × 4,969,793.90
  4. Step 4: Simplify right side
    10,363,920.05x = 77,259,819,991,715.52
  5. Step 5: Solve for x
    x = 77,259,819,991,715.52/10,363,920.05
  6. Step 6: Final answer
    x = 7,454,690.85

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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.