Home / 21,442,727.20-32,164,090.80-20,397,632.80

Finding the Fourth Proportional to 21,442,727.20, 32,164,090.80 and 20,397,632.80

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Solution

The fourth proportional to 21,442,727.20, 32,164,090.80 and 20,397,632.80 is: 30,596,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442,727.20 : 32,164,090.80 = 20,397,632.80 : x
  2. Step 2: Convert to fraction form
    21,442,727.20/32,164,090.80 = 20,397,632.80/x
  3. Step 3: Cross multiply
    21,442,727.20x = 32,164,090.80 × 20,397,632.80
  4. Step 4: Simplify right side
    21,442,727.20x = 656,071,313,484,258.25
  5. Step 5: Solve for x
    x = 656,071,313,484,258.25/21,442,727.20
  6. Step 6: Final answer
    x = 30,596,449.20

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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.