Home / 43,739,976.20-65,609,964.30-13,443,902.60

Finding the Fourth Proportional to 43,739,976.20, 65,609,964.30 and 13,443,902.60

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Solution

The fourth proportional to 43,739,976.20, 65,609,964.30 and 13,443,902.60 is: 20,165,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,739,976.20 : 65,609,964.30 = 13,443,902.60 : x
  2. Step 2: Convert to fraction form
    43,739,976.20/65,609,964.30 = 13,443,902.60/x
  3. Step 3: Cross multiply
    43,739,976.20x = 65,609,964.30 × 13,443,902.60
  4. Step 4: Simplify right side
    43,739,976.20x = 882,053,969,638,677.12
  5. Step 5: Solve for x
    x = 882,053,969,638,677.12/43,739,976.20
  6. Step 6: Final answer
    x = 20,165,853.90

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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.