Home / 21,442,621.20-32,163,931.80-20,397,526.80

Finding the Fourth Proportional to 21,442,621.20, 32,163,931.80 and 20,397,526.80

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Solution

The fourth proportional to 21,442,621.20, 32,163,931.80 and 20,397,526.80 is: 30,596,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442,621.20 : 32,163,931.80 = 20,397,526.80 : x
  2. Step 2: Convert to fraction form
    21,442,621.20/32,163,931.80 = 20,397,526.80/x
  3. Step 3: Cross multiply
    21,442,621.20x = 32,163,931.80 × 20,397,526.80
  4. Step 4: Simplify right side
    21,442,621.20x = 656,064,660,883,872.25
  5. Step 5: Solve for x
    x = 656,064,660,883,872.25/21,442,621.20
  6. Step 6: Final answer
    x = 30,596,290.20

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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.