Home / 10,161,609.72-14,022,845.40-5,515,295.04

Finding the Fourth Proportional to 10,161,609.72, 14,022,845.40 and 5,515,295.04

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Solution

The fourth proportional to 10,161,609.72, 14,022,845.40 and 5,515,295.04 is: 7,611,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161,609.72 : 14,022,845.40 = 5,515,295.04 : x
  2. Step 2: Convert to fraction form
    10,161,609.72/14,022,845.40 = 5,515,295.04/x
  3. Step 3: Cross multiply
    10,161,609.72x = 14,022,845.40 × 5,515,295.04
  4. Step 4: Simplify right side
    10,161,609.72x = 77,340,129,681,306.81
  5. Step 5: Solve for x
    x = 77,340,129,681,306.81/10,161,609.72
  6. Step 6: Final answer
    x = 7,611,011.62

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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.