Home / 8,157,645.66-12,225,445.68-3,106,200.54

Finding the Fourth Proportional to 8,157,645.66, 12,225,445.68 and 3,106,200.54

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Solution

The fourth proportional to 8,157,645.66, 12,225,445.68 and 3,106,200.54 is: 4,655,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,645.66 : 12,225,445.68 = 3,106,200.54 : x
  2. Step 2: Convert to fraction form
    8,157,645.66/12,225,445.68 = 3,106,200.54/x
  3. Step 3: Cross multiply
    8,157,645.66x = 12,225,445.68 × 3,106,200.54
  4. Step 4: Simplify right side
    8,157,645.66x = 37,974,685,972,956.66
  5. Step 5: Solve for x
    x = 37,974,685,972,956.66/8,157,645.66
  6. Step 6: Final answer
    x = 4,655,103.64

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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.