Home / 15,150,207.88-20,893,440-11,842,939

Finding the Fourth Proportional to 15,150,207.88, 20,893,440 and 11,842,939

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Solution

The fourth proportional to 15,150,207.88, 20,893,440 and 11,842,939 is: 16,332,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150,207.88 : 20,893,440 = 11,842,939 : x
  2. Step 2: Convert to fraction form
    15,150,207.88/20,893,440 = 11,842,939/x
  3. Step 3: Cross multiply
    15,150,207.88x = 20,893,440 × 11,842,939
  4. Step 4: Simplify right side
    15,150,207.88x = 247,439,735,420,160
  5. Step 5: Solve for x
    x = 247,439,735,420,160/15,150,207.88
  6. Step 6: Final answer
    x = 16,332,431.70

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1.5x scale

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.