Home / 7,781,188.57-10,738,951.05-6,472,131.10

Finding the Fourth Proportional to 7,781,188.57, 10,738,951.05 and 6,472,131.10

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Solution

The fourth proportional to 7,781,188.57, 10,738,951.05 and 6,472,131.10 is: 8,932,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,188.57 : 10,738,951.05 = 6,472,131.10 : x
  2. Step 2: Convert to fraction form
    7,781,188.57/10,738,951.05 = 6,472,131.10/x
  3. Step 3: Cross multiply
    7,781,188.57x = 10,738,951.05 × 6,472,131.10
  4. Step 4: Simplify right side
    7,781,188.57x = 69,503,899,072,082.66
  5. Step 5: Solve for x
    x = 69,503,899,072,082.66/7,781,188.57
  6. Step 6: Final answer
    x = 8,932,298.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.