Home / 21,506,687.60-32,260,031.40-8,040,729.20

Finding the Fourth Proportional to 21,506,687.60, 32,260,031.40 and 8,040,729.20

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Solution

The fourth proportional to 21,506,687.60, 32,260,031.40 and 8,040,729.20 is: 12,061,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,687.60 : 32,260,031.40 = 8,040,729.20 : x
  2. Step 2: Convert to fraction form
    21,506,687.60/32,260,031.40 = 8,040,729.20/x
  3. Step 3: Cross multiply
    21,506,687.60x = 32,260,031.40 × 8,040,729.20
  4. Step 4: Simplify right side
    21,506,687.60x = 259,394,176,470,896.88
  5. Step 5: Solve for x
    x = 259,394,176,470,896.88/21,506,687.60
  6. Step 6: Final answer
    x = 12,061,093.80

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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.