Home / 8,982,965.64-13,478,309.76-2,919,556.74

Finding the Fourth Proportional to 8,982,965.64, 13,478,309.76 and 2,919,556.74

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Solution

The fourth proportional to 8,982,965.64, 13,478,309.76 and 2,919,556.74 is: 4,380,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982,965.64 : 13,478,309.76 = 2,919,556.74 : x
  2. Step 2: Convert to fraction form
    8,982,965.64/13,478,309.76 = 2,919,556.74/x
  3. Step 3: Cross multiply
    8,982,965.64x = 13,478,309.76 × 2,919,556.74
  4. Step 4: Simplify right side
    8,982,965.64x = 39,350,690,103,615.78
  5. Step 5: Solve for x
    x = 39,350,690,103,615.78/8,982,965.64
  6. Step 6: Final answer
    x = 4,380,590.07

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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.