Home / 15,565,818.70-23,348,728.05-8,391,365.20

Finding the Fourth Proportional to 15,565,818.70, 23,348,728.05 and 8,391,365.20

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Solution

The fourth proportional to 15,565,818.70, 23,348,728.05 and 8,391,365.20 is: 12,587,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,818.70 : 23,348,728.05 = 8,391,365.20 : x
  2. Step 2: Convert to fraction form
    15,565,818.70/23,348,728.05 = 8,391,365.20/x
  3. Step 3: Cross multiply
    15,565,818.70x = 23,348,728.05 × 8,391,365.20
  4. Step 4: Simplify right side
    15,565,818.70x = 195,927,704,023,033.84
  5. Step 5: Solve for x
    x = 195,927,704,023,033.84/15,565,818.70
  6. Step 6: Final answer
    x = 12,587,047.80

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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.