Home / 10,405,691.56-15,609,586.08-3,581,367.88

Finding the Fourth Proportional to 10,405,691.56, 15,609,586.08 and 3,581,367.88

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Solution

The fourth proportional to 10,405,691.56, 15,609,586.08 and 3,581,367.88 is: 5,372,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405,691.56 : 15,609,586.08 = 3,581,367.88 : x
  2. Step 2: Convert to fraction form
    10,405,691.56/15,609,586.08 = 3,581,367.88/x
  3. Step 3: Cross multiply
    10,405,691.56x = 15,609,586.08 × 3,581,367.88
  4. Step 4: Simplify right side
    10,405,691.56x = 55,903,670,207,007.11
  5. Step 5: Solve for x
    x = 55,903,670,207,007.11/10,405,691.56
  6. Step 6: Final answer
    x = 5,372,412.77

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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.