Home / 7,447,886.18-11,156,328.92-4,738,791.78

Finding the Fourth Proportional to 7,447,886.18, 11,156,328.92 and 4,738,791.78

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Solution

The fourth proportional to 7,447,886.18, 11,156,328.92 and 4,738,791.78 is: 7,098,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,886.18 : 11,156,328.92 = 4,738,791.78 : x
  2. Step 2: Convert to fraction form
    7,447,886.18/11,156,328.92 = 4,738,791.78/x
  3. Step 3: Cross multiply
    7,447,886.18x = 11,156,328.92 × 4,738,791.78
  4. Step 4: Simplify right side
    7,447,886.18x = 52,867,519,781,072.28
  5. Step 5: Solve for x
    x = 52,867,519,781,072.28/7,447,886.18
  6. Step 6: Final answer
    x = 7,098,325.42

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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.