Home / 8,199,001.90-12,298,502.85-4,419,865.90

Finding the Fourth Proportional to 8,199,001.90, 12,298,502.85 and 4,419,865.90

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Solution

The fourth proportional to 8,199,001.90, 12,298,502.85 and 4,419,865.90 is: 6,629,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,001.90 : 12,298,502.85 = 4,419,865.90 : x
  2. Step 2: Convert to fraction form
    8,199,001.90/12,298,502.85 = 4,419,865.90/x
  3. Step 3: Cross multiply
    8,199,001.90x = 12,298,502.85 × 4,419,865.90
  4. Step 4: Simplify right side
    8,199,001.90x = 54,357,733,367,767.82
  5. Step 5: Solve for x
    x = 54,357,733,367,767.82/8,199,001.90
  6. Step 6: Final answer
    x = 6,629,798.85

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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.