Home / 21,802,777.20-32,704,165.80-13,740,620.40

Finding the Fourth Proportional to 21,802,777.20, 32,704,165.80 and 13,740,620.40

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Solution

The fourth proportional to 21,802,777.20, 32,704,165.80 and 13,740,620.40 is: 20,610,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,777.20 : 32,704,165.80 = 13,740,620.40 : x
  2. Step 2: Convert to fraction form
    21,802,777.20/32,704,165.80 = 13,740,620.40/x
  3. Step 3: Cross multiply
    21,802,777.20x = 32,704,165.80 × 13,740,620.40
  4. Step 4: Simplify right side
    21,802,777.20x = 449,375,527,756,462.31
  5. Step 5: Solve for x
    x = 449,375,527,756,462.31/21,802,777.20
  6. Step 6: Final answer
    x = 20,610,930.60

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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.