Home / 20,643,017.70-30,944,073.39-9,693,606.81

Finding the Fourth Proportional to 20,643,017.70, 30,944,073.39 and 9,693,606.81

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Solution

The fourth proportional to 20,643,017.70, 30,944,073.39 and 9,693,606.81 is: 14,530,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,017.70 : 30,944,073.39 = 9,693,606.81 : x
  2. Step 2: Convert to fraction form
    20,643,017.70/30,944,073.39 = 9,693,606.81/x
  3. Step 3: Cross multiply
    20,643,017.70x = 30,944,073.39 × 9,693,606.81
  4. Step 4: Simplify right side
    20,643,017.70x = 299,959,680,542,443.81
  5. Step 5: Solve for x
    x = 299,959,680,542,443.81/20,643,017.70
  6. Step 6: Final answer
    x = 14,530,805.76

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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.