Home / 15,565,819.20-23,348,728.80-8,391,365.70

Finding the Fourth Proportional to 15,565,819.20, 23,348,728.80 and 8,391,365.70

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Solution

The fourth proportional to 15,565,819.20, 23,348,728.80 and 8,391,365.70 is: 12,587,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,819.20 : 23,348,728.80 = 8,391,365.70 : x
  2. Step 2: Convert to fraction form
    15,565,819.20/23,348,728.80 = 8,391,365.70/x
  3. Step 3: Cross multiply
    15,565,819.20x = 23,348,728.80 × 8,391,365.70
  4. Step 4: Simplify right side
    15,565,819.20x = 195,927,721,990,922.16
  5. Step 5: Solve for x
    x = 195,927,721,990,922.16/15,565,819.20
  6. Step 6: Final answer
    x = 12,587,048.55

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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.