Home / 9,172,974.20-13,759,461.30-8,606,103.80

Finding the Fourth Proportional to 9,172,974.20, 13,759,461.30 and 8,606,103.80

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Solution

The fourth proportional to 9,172,974.20, 13,759,461.30 and 8,606,103.80 is: 12,909,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,974.20 : 13,759,461.30 = 8,606,103.80 : x
  2. Step 2: Convert to fraction form
    9,172,974.20/13,759,461.30 = 8,606,103.80/x
  3. Step 3: Cross multiply
    9,172,974.20x = 13,759,461.30 × 8,606,103.80
  4. Step 4: Simplify right side
    9,172,974.20x = 118,415,352,179,882.95
  5. Step 5: Solve for x
    x = 118,415,352,179,882.95/9,172,974.20
  6. Step 6: Final answer
    x = 12,909,155.70

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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.