Home / 25,440,092.80-38,160,139.20-15,236,425.60

Finding the Fourth Proportional to 25,440,092.80, 38,160,139.20 and 15,236,425.60

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Solution

The fourth proportional to 25,440,092.80, 38,160,139.20 and 15,236,425.60 is: 22,854,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440,092.80 : 38,160,139.20 = 15,236,425.60 : x
  2. Step 2: Convert to fraction form
    25,440,092.80/38,160,139.20 = 15,236,425.60/x
  3. Step 3: Cross multiply
    25,440,092.80x = 38,160,139.20 × 15,236,425.60
  4. Step 4: Simplify right side
    25,440,092.80x = 581,424,121,806,443.50
  5. Step 5: Solve for x
    x = 581,424,121,806,443.50/25,440,092.80
  6. Step 6: Final answer
    x = 22,854,638.40

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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.