Home / 14,004,143.64-21,005,471.61-4,288,753.62

Finding the Fourth Proportional to 14,004,143.64, 21,005,471.61 and 4,288,753.62

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Solution

The fourth proportional to 14,004,143.64, 21,005,471.61 and 4,288,753.62 is: 6,432,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004,143.64 : 21,005,471.61 = 4,288,753.62 : x
  2. Step 2: Convert to fraction form
    14,004,143.64/21,005,471.61 = 4,288,753.62/x
  3. Step 3: Cross multiply
    14,004,143.64x = 21,005,471.61 × 4,288,753.62
  4. Step 4: Simplify right side
    14,004,143.64x = 90,087,292,407,194.73
  5. Step 5: Solve for x
    x = 90,087,292,407,194.73/14,004,143.64
  6. Step 6: Final answer
    x = 6,432,902.63

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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.