Home / 43,981,427.28-65,981,616-13,273,437.60

Finding the Fourth Proportional to 43,981,427.28, 65,981,616 and 13,273,437.60

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Solution

The fourth proportional to 43,981,427.28, 65,981,616 and 13,273,437.60 is: 19,913,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981,427.28 : 65,981,616 = 13,273,437.60 : x
  2. Step 2: Convert to fraction form
    43,981,427.28/65,981,616 = 13,273,437.60/x
  3. Step 3: Cross multiply
    43,981,427.28x = 65,981,616 × 13,273,437.60
  4. Step 4: Simplify right side
    43,981,427.28x = 875,802,862,723,161.62
  5. Step 5: Solve for x
    x = 875,802,862,723,161.62/43,981,427.28
  6. Step 6: Final answer
    x = 19,913,015.95

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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.