Home / 8,320,746.60-12,481,119.90-6,902,404.20

Finding the Fourth Proportional to 8,320,746.60, 12,481,119.90 and 6,902,404.20

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Solution

The fourth proportional to 8,320,746.60, 12,481,119.90 and 6,902,404.20 is: 10,353,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,746.60 : 12,481,119.90 = 6,902,404.20 : x
  2. Step 2: Convert to fraction form
    8,320,746.60/12,481,119.90 = 6,902,404.20/x
  3. Step 3: Cross multiply
    8,320,746.60x = 12,481,119.90 × 6,902,404.20
  4. Step 4: Simplify right side
    8,320,746.60x = 86,149,734,418,463.58
  5. Step 5: Solve for x
    x = 86,149,734,418,463.58/8,320,746.60
  6. Step 6: Final answer
    x = 10,353,606.30

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1.5x scale

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.