Home / 20,734,856.52-28,614,114.30-11,567,499.24

Finding the Fourth Proportional to 20,734,856.52, 28,614,114.30 and 11,567,499.24

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Solution

The fourth proportional to 20,734,856.52, 28,614,114.30 and 11,567,499.24 is: 15,963,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,856.52 : 28,614,114.30 = 11,567,499.24 : x
  2. Step 2: Convert to fraction form
    20,734,856.52/28,614,114.30 = 11,567,499.24/x
  3. Step 3: Cross multiply
    20,734,856.52x = 28,614,114.30 × 11,567,499.24
  4. Step 4: Simplify right side
    20,734,856.52x = 330,993,745,418,523.12
  5. Step 5: Solve for x
    x = 330,993,745,418,523.12/20,734,856.52
  6. Step 6: Final answer
    x = 15,963,155.81

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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.