Home / 21,559,240.80-32,338,861.20-13,906,490.40

Finding the Fourth Proportional to 21,559,240.80, 32,338,861.20 and 13,906,490.40

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Solution

The fourth proportional to 21,559,240.80, 32,338,861.20 and 13,906,490.40 is: 20,859,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,240.80 : 32,338,861.20 = 13,906,490.40 : x
  2. Step 2: Convert to fraction form
    21,559,240.80/32,338,861.20 = 13,906,490.40/x
  3. Step 3: Cross multiply
    21,559,240.80x = 32,338,861.20 × 13,906,490.40
  4. Step 4: Simplify right side
    21,559,240.80x = 449,720,062,824,732.50
  5. Step 5: Solve for x
    x = 449,720,062,824,732.50/21,559,240.80
  6. Step 6: Final answer
    x = 20,859,735.60

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Similar ratio
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1.5x scale

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.