Home / 8,656,540.80-12,981,749.40-2,975,443.80

Finding the Fourth Proportional to 8,656,540.80, 12,981,749.40 and 2,975,443.80

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Solution

The fourth proportional to 8,656,540.80, 12,981,749.40 and 2,975,443.80 is: 4,462,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,540.80 : 12,981,749.40 = 2,975,443.80 : x
  2. Step 2: Convert to fraction form
    8,656,540.80/12,981,749.40 = 2,975,443.80/x
  3. Step 3: Cross multiply
    8,656,540.80x = 12,981,749.40 × 2,975,443.80
  4. Step 4: Simplify right side
    8,656,540.80x = 38,626,465,765,383.72
  5. Step 5: Solve for x
    x = 38,626,465,765,383.72/8,656,540.80
  6. Step 6: Final answer
    x = 4,462,113.29

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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.