Home / 15,458,723.60-23,188,085.40-8,656,278.80

Finding the Fourth Proportional to 15,458,723.60, 23,188,085.40 and 8,656,278.80

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Solution

The fourth proportional to 15,458,723.60, 23,188,085.40 and 8,656,278.80 is: 12,984,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,723.60 : 23,188,085.40 = 8,656,278.80 : x
  2. Step 2: Convert to fraction form
    15,458,723.60/23,188,085.40 = 8,656,278.80/x
  3. Step 3: Cross multiply
    15,458,723.60x = 23,188,085.40 × 8,656,278.80
  4. Step 4: Simplify right side
    15,458,723.60x = 200,722,532,060,609.53
  5. Step 5: Solve for x
    x = 200,722,532,060,609.53/15,458,723.60
  6. Step 6: Final answer
    x = 12,984,418.20

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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.