Home / 25,541,486.80-38,312,230.20-21,006,523.60

Finding the Fourth Proportional to 25,541,486.80, 38,312,230.20 and 21,006,523.60

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Solution

The fourth proportional to 25,541,486.80, 38,312,230.20 and 21,006,523.60 is: 31,509,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541,486.80 : 38,312,230.20 = 21,006,523.60 : x
  2. Step 2: Convert to fraction form
    25,541,486.80/38,312,230.20 = 21,006,523.60/x
  3. Step 3: Cross multiply
    25,541,486.80x = 38,312,230.20 × 21,006,523.60
  4. Step 4: Simplify right side
    25,541,486.80x = 804,806,767,864,932.88
  5. Step 5: Solve for x
    x = 804,806,767,864,932.88/25,541,486.80
  6. Step 6: Final answer
    x = 31,509,785.40

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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.