Home / 7,656,912.38-10,566,764.48-4,219,374.85

Finding the Fourth Proportional to 7,656,912.38, 10,566,764.48 and 4,219,374.85

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Solution

The fourth proportional to 7,656,912.38, 10,566,764.48 and 4,219,374.85 is: 5,822,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,912.38 : 10,566,764.48 = 4,219,374.85 : x
  2. Step 2: Convert to fraction form
    7,656,912.38/10,566,764.48 = 4,219,374.85/x
  3. Step 3: Cross multiply
    7,656,912.38x = 10,566,764.48 × 4,219,374.85
  4. Step 4: Simplify right side
    7,656,912.38x = 44,585,140,276,916.85
  5. Step 5: Solve for x
    x = 44,585,140,276,916.85/7,656,912.38
  6. Step 6: Final answer
    x = 5,822,861.49

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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.