Home / 8,193,498.19-12,290,837.78-3,144,808.69

Finding the Fourth Proportional to 8,193,498.19, 12,290,837.78 and 3,144,808.69

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Solution

The fourth proportional to 8,193,498.19, 12,290,837.78 and 3,144,808.69 is: 4,717,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,498.19 : 12,290,837.78 = 3,144,808.69 : x
  2. Step 2: Convert to fraction form
    8,193,498.19/12,290,837.78 = 3,144,808.69/x
  3. Step 3: Cross multiply
    8,193,498.19x = 12,290,837.78 × 3,144,808.69
  4. Step 4: Simplify right side
    8,193,498.19x = 38,652,333,435,059.23
  5. Step 5: Solve for x
    x = 38,652,333,435,059.23/8,193,498.19
  6. Step 6: Final answer
    x = 4,717,439.68

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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.