Home / 21,897,977.80-32,865,629.10-9,786,080.20

Finding the Fourth Proportional to 21,897,977.80, 32,865,629.10 and 9,786,080.20

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Solution

The fourth proportional to 21,897,977.80, 32,865,629.10 and 9,786,080.20 is: 14,687,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897,977.80 : 32,865,629.10 = 9,786,080.20 : x
  2. Step 2: Convert to fraction form
    21,897,977.80/32,865,629.10 = 9,786,080.20/x
  3. Step 3: Cross multiply
    21,897,977.80x = 32,865,629.10 × 9,786,080.20
  4. Step 4: Simplify right side
    21,897,977.80x = 321,625,682,196,053.81
  5. Step 5: Solve for x
    x = 321,625,682,196,053.81/21,897,977.80
  6. Step 6: Final answer
    x = 14,687,460.42

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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.