Home / 12,948,467.02-17,868,886.23-7,147,249.95

Finding the Fourth Proportional to 12,948,467.02, 17,868,886.23 and 7,147,249.95

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Solution

The fourth proportional to 12,948,467.02, 17,868,886.23 and 7,147,249.95 is: 9,863,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,467.02 : 17,868,886.23 = 7,147,249.95 : x
  2. Step 2: Convert to fraction form
    12,948,467.02/17,868,886.23 = 7,147,249.95/x
  3. Step 3: Cross multiply
    12,948,467.02x = 17,868,886.23 × 7,147,249.95
  4. Step 4: Simplify right side
    12,948,467.02x = 127,713,396,307,733.70
  5. Step 5: Solve for x
    x = 127,713,396,307,733.70/12,948,467.02
  6. Step 6: Final answer
    x = 9,863,205.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.