Home / 12,847,072.11-17,730,080.78-7,046,974.85

Finding the Fourth Proportional to 12,847,072.11, 17,730,080.78 and 7,046,974.85

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Solution

The fourth proportional to 12,847,072.11, 17,730,080.78 and 7,046,974.85 is: 9,725,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847,072.11 : 17,730,080.78 = 7,046,974.85 : x
  2. Step 2: Convert to fraction form
    12,847,072.11/17,730,080.78 = 7,046,974.85/x
  3. Step 3: Cross multiply
    12,847,072.11x = 17,730,080.78 × 7,046,974.85
  4. Step 4: Simplify right side
    12,847,072.11x = 124,943,433,354,218.70
  5. Step 5: Solve for x
    x = 124,943,433,354,218.70/12,847,072.11
  6. Step 6: Final answer
    x = 9,725,440.34

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1.5x scale

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.