Home / 21,511,906.80-32,267,860.20-10,174,498.80

Finding the Fourth Proportional to 21,511,906.80, 32,267,860.20 and 10,174,498.80

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Solution

The fourth proportional to 21,511,906.80, 32,267,860.20 and 10,174,498.80 is: 15,261,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511,906.80 : 32,267,860.20 = 10,174,498.80 : x
  2. Step 2: Convert to fraction form
    21,511,906.80/32,267,860.20 = 10,174,498.80/x
  3. Step 3: Cross multiply
    21,511,906.80x = 32,267,860.20 × 10,174,498.80
  4. Step 4: Simplify right side
    21,511,906.80x = 328,309,304,883,467.75
  5. Step 5: Solve for x
    x = 328,309,304,883,467.75/21,511,906.80
  6. Step 6: Final answer
    x = 15,261,748.20

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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.