Home / 21,921,841.20-32,882,761.80-9,954,577.20

Finding the Fourth Proportional to 21,921,841.20, 32,882,761.80 and 9,954,577.20

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Solution

The fourth proportional to 21,921,841.20, 32,882,761.80 and 9,954,577.20 is: 14,931,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,841.20 : 32,882,761.80 = 9,954,577.20 : x
  2. Step 2: Convert to fraction form
    21,921,841.20/32,882,761.80 = 9,954,577.20/x
  3. Step 3: Cross multiply
    21,921,841.20x = 32,882,761.80 × 9,954,577.20
  4. Step 4: Simplify right side
    21,921,841.20x = 327,333,990,887,310.94
  5. Step 5: Solve for x
    x = 327,333,990,887,310.94/21,921,841.20
  6. Step 6: Final answer
    x = 14,931,865.80

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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.