Home / 14,149,399.20-21,211,657.20-8,471,882.40

Finding the Fourth Proportional to 14,149,399.20, 21,211,657.20 and 8,471,882.40

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Solution

The fourth proportional to 14,149,399.20, 21,211,657.20 and 8,471,882.40 is: 12,700,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149,399.20 : 21,211,657.20 = 8,471,882.40 : x
  2. Step 2: Convert to fraction form
    14,149,399.20/21,211,657.20 = 8,471,882.40/x
  3. Step 3: Cross multiply
    14,149,399.20x = 21,211,657.20 × 8,471,882.40
  4. Step 4: Simplify right side
    14,149,399.20x = 179,702,665,307,513.28
  5. Step 5: Solve for x
    x = 179,702,665,307,513.28/14,149,399.20
  6. Step 6: Final answer
    x = 12,700,374.25

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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.