Home / 25,532,630.80-38,323,829.40-12,767,549.20

Finding the Fourth Proportional to 25,532,630.80, 38,323,829.40 and 12,767,549.20

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Solution

The fourth proportional to 25,532,630.80, 38,323,829.40 and 12,767,549.20 is: 19,163,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532,630.80 : 38,323,829.40 = 12,767,549.20 : x
  2. Step 2: Convert to fraction form
    25,532,630.80/38,323,829.40 = 12,767,549.20/x
  3. Step 3: Cross multiply
    25,532,630.80x = 38,323,829.40 × 12,767,549.20
  4. Step 4: Simplify right side
    25,532,630.80x = 489,301,377,396,906.44
  5. Step 5: Solve for x
    x = 489,301,377,396,906.44/25,532,630.80
  6. Step 6: Final answer
    x = 19,163,766.60

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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.