Home / 8,198,741.70-12,298,112.55-6,604,418.70

Finding the Fourth Proportional to 8,198,741.70, 12,298,112.55 and 6,604,418.70

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Solution

The fourth proportional to 8,198,741.70, 12,298,112.55 and 6,604,418.70 is: 9,906,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,741.70 : 12,298,112.55 = 6,604,418.70 : x
  2. Step 2: Convert to fraction form
    8,198,741.70/12,298,112.55 = 6,604,418.70/x
  3. Step 3: Cross multiply
    8,198,741.70x = 12,298,112.55 × 6,604,418.70
  4. Step 4: Simplify right side
    8,198,741.70x = 81,221,884,499,924.69
  5. Step 5: Solve for x
    x = 81,221,884,499,924.69/8,198,741.70
  6. Step 6: Final answer
    x = 9,906,628.05

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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.