Home / 21,827,260.80-32,740,891.20-20,764,378.80

Finding the Fourth Proportional to 21,827,260.80, 32,740,891.20 and 20,764,378.80

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Solution

The fourth proportional to 21,827,260.80, 32,740,891.20 and 20,764,378.80 is: 31,146,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,260.80 : 32,740,891.20 = 20,764,378.80 : x
  2. Step 2: Convert to fraction form
    21,827,260.80/32,740,891.20 = 20,764,378.80/x
  3. Step 3: Cross multiply
    21,827,260.80x = 32,740,891.20 × 20,764,378.80
  4. Step 4: Simplify right side
    21,827,260.80x = 679,844,267,126,386.62
  5. Step 5: Solve for x
    x = 679,844,267,126,386.62/21,827,260.80
  6. Step 6: Final answer
    x = 31,146,568.20

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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.