Home / 10,902,043.60-16,353,065.40-8,351,126.80

Finding the Fourth Proportional to 10,902,043.60, 16,353,065.40 and 8,351,126.80

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Solution

The fourth proportional to 10,902,043.60, 16,353,065.40 and 8,351,126.80 is: 12,526,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,043.60 : 16,353,065.40 = 8,351,126.80 : x
  2. Step 2: Convert to fraction form
    10,902,043.60/16,353,065.40 = 8,351,126.80/x
  3. Step 3: Cross multiply
    10,902,043.60x = 16,353,065.40 × 8,351,126.80
  4. Step 4: Simplify right side
    10,902,043.60x = 136,566,522,724,092.72
  5. Step 5: Solve for x
    x = 136,566,522,724,092.72/10,902,043.60
  6. Step 6: Final answer
    x = 12,526,690.20

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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.