Home / 8,998,161.78-13,498,642.35-2,931,481.19

Finding the Fourth Proportional to 8,998,161.78, 13,498,642.35 and 2,931,481.19

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Solution

The fourth proportional to 8,998,161.78, 13,498,642.35 and 2,931,481.19 is: 4,397,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,161.78 : 13,498,642.35 = 2,931,481.19 : x
  2. Step 2: Convert to fraction form
    8,998,161.78/13,498,642.35 = 2,931,481.19/x
  3. Step 3: Cross multiply
    8,998,161.78x = 13,498,642.35 × 2,931,481.19
  4. Step 4: Simplify right side
    8,998,161.78x = 39,571,016,072,069.19
  5. Step 5: Solve for x
    x = 39,571,016,072,069.19/8,998,161.78
  6. Step 6: Final answer
    x = 4,397,677.77

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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.