Home / 21,554,821.20-32,332,231.80-13,902,070.80

Finding the Fourth Proportional to 21,554,821.20, 32,332,231.80 and 13,902,070.80

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Solution

The fourth proportional to 21,554,821.20, 32,332,231.80 and 13,902,070.80 is: 20,853,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,821.20 : 32,332,231.80 = 13,902,070.80 : x
  2. Step 2: Convert to fraction form
    21,554,821.20/32,332,231.80 = 13,902,070.80/x
  3. Step 3: Cross multiply
    21,554,821.20x = 32,332,231.80 × 13,902,070.80
  4. Step 4: Simplify right side
    21,554,821.20x = 449,484,975,605,611.50
  5. Step 5: Solve for x
    x = 449,484,975,605,611.50/21,554,821.20
  6. Step 6: Final answer
    x = 20,853,106.20

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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.