Home / 21,506,677.60-32,260,016.40-8,040,719.20

Finding the Fourth Proportional to 21,506,677.60, 32,260,016.40 and 8,040,719.20

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Solution

The fourth proportional to 21,506,677.60, 32,260,016.40 and 8,040,719.20 is: 12,061,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,677.60 : 32,260,016.40 = 8,040,719.20 : x
  2. Step 2: Convert to fraction form
    21,506,677.60/32,260,016.40 = 8,040,719.20/x
  3. Step 3: Cross multiply
    21,506,677.60x = 32,260,016.40 × 8,040,719.20
  4. Step 4: Simplify right side
    21,506,677.60x = 259,393,733,259,794.88
  5. Step 5: Solve for x
    x = 259,393,733,259,794.88/21,506,677.60
  6. Step 6: Final answer
    x = 12,061,078.80

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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.