Home / 8,291,171.28-12,437,917.92-2,898,595.20

Finding the Fourth Proportional to 8,291,171.28, 12,437,917.92 and 2,898,595.20

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Solution

The fourth proportional to 8,291,171.28, 12,437,917.92 and 2,898,595.20 is: 4,348,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,171.28 : 12,437,917.92 = 2,898,595.20 : x
  2. Step 2: Convert to fraction form
    8,291,171.28/12,437,917.92 = 2,898,595.20/x
  3. Step 3: Cross multiply
    8,291,171.28x = 12,437,917.92 × 2,898,595.20
  4. Step 4: Simplify right side
    8,291,171.28x = 36,052,489,180,905.98
  5. Step 5: Solve for x
    x = 36,052,489,180,905.98/8,291,171.28
  6. Step 6: Final answer
    x = 4,348,298.69

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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.