Home / 21,555,080.80-32,332,621.20-13,902,330.40

Finding the Fourth Proportional to 21,555,080.80, 32,332,621.20 and 13,902,330.40

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Solution

The fourth proportional to 21,555,080.80, 32,332,621.20 and 13,902,330.40 is: 20,853,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,080.80 : 32,332,621.20 = 13,902,330.40 : x
  2. Step 2: Convert to fraction form
    21,555,080.80/32,332,621.20 = 13,902,330.40/x
  3. Step 3: Cross multiply
    21,555,080.80x = 32,332,621.20 × 13,902,330.40
  4. Step 4: Simplify right side
    21,555,080.80x = 449,498,782,620,444.50
  5. Step 5: Solve for x
    x = 449,498,782,620,444.50/21,555,080.80
  6. Step 6: Final answer
    x = 20,853,495.60

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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.