Home / 7,853,675.20-11,780,512.80-7,720,964.80

Finding the Fourth Proportional to 7,853,675.20, 11,780,512.80 and 7,720,964.80

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Solution

The fourth proportional to 7,853,675.20, 11,780,512.80 and 7,720,964.80 is: 11,581,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853,675.20 : 11,780,512.80 = 7,720,964.80 : x
  2. Step 2: Convert to fraction form
    7,853,675.20/11,780,512.80 = 7,720,964.80/x
  3. Step 3: Cross multiply
    7,853,675.20x = 11,780,512.80 × 7,720,964.80
  4. Step 4: Simplify right side
    7,853,675.20x = 90,956,924,654,749.44
  5. Step 5: Solve for x
    x = 90,956,924,654,749.44/7,853,675.20
  6. Step 6: Final answer
    x = 11,581,447.20

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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.