Home / 14,719,759.92-20,312,816.28-8,193,221.70

Finding the Fourth Proportional to 14,719,759.92, 20,312,816.28 and 8,193,221.70

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Solution

The fourth proportional to 14,719,759.92, 20,312,816.28 and 8,193,221.70 is: 11,306,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719,759.92 : 20,312,816.28 = 8,193,221.70 : x
  2. Step 2: Convert to fraction form
    14,719,759.92/20,312,816.28 = 8,193,221.70/x
  3. Step 3: Cross multiply
    14,719,759.92x = 20,312,816.28 × 8,193,221.70
  4. Step 4: Simplify right side
    14,719,759.92x = 166,427,407,133,409.28
  5. Step 5: Solve for x
    x = 166,427,407,133,409.28/14,719,759.92
  6. Step 6: Final answer
    x = 11,306,394.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.