Home / 14,438,719.56-19,925,446.92-7,912,363.44

Finding the Fourth Proportional to 14,438,719.56, 19,925,446.92 and 7,912,363.44

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Solution

The fourth proportional to 14,438,719.56, 19,925,446.92 and 7,912,363.44 is: 10,919,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438,719.56 : 19,925,446.92 = 7,912,363.44 : x
  2. Step 2: Convert to fraction form
    14,438,719.56/19,925,446.92 = 7,912,363.44/x
  3. Step 3: Cross multiply
    14,438,719.56x = 19,925,446.92 × 7,912,363.44
  4. Step 4: Simplify right side
    14,438,719.56x = 157,657,377,735,468.62
  5. Step 5: Solve for x
    x = 157,657,377,735,468.62/14,438,719.56
  6. Step 6: Final answer
    x = 10,919,069.18

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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.