Home / 13,779,424.55-20,669,190.99-5,582,221.61

Finding the Fourth Proportional to 13,779,424.55, 20,669,190.99 and 5,582,221.61

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Solution

The fourth proportional to 13,779,424.55, 20,669,190.99 and 5,582,221.61 is: 8,373,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,424.55 : 20,669,190.99 = 5,582,221.61 : x
  2. Step 2: Convert to fraction form
    13,779,424.55/20,669,190.99 = 5,582,221.61/x
  3. Step 3: Cross multiply
    13,779,424.55x = 20,669,190.99 × 5,582,221.61
  4. Step 4: Simplify right side
    13,779,424.55x = 115,380,004,577,684.19
  5. Step 5: Solve for x
    x = 115,380,004,577,684.19/13,779,424.55
  6. Step 6: Final answer
    x = 8,373,354.36

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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.