Home / 18,042,920.40-27,064,380.60-8,476,982.40

Finding the Fourth Proportional to 18,042,920.40, 27,064,380.60 and 8,476,982.40

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Solution

The fourth proportional to 18,042,920.40, 27,064,380.60 and 8,476,982.40 is: 12,715,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,920.40 : 27,064,380.60 = 8,476,982.40 : x
  2. Step 2: Convert to fraction form
    18,042,920.40/27,064,380.60 = 8,476,982.40/x
  3. Step 3: Cross multiply
    18,042,920.40x = 27,064,380.60 × 8,476,982.40
  4. Step 4: Simplify right side
    18,042,920.40x = 229,424,278,013,101.47
  5. Step 5: Solve for x
    x = 229,424,278,013,101.47/18,042,920.40
  6. Step 6: Final answer
    x = 12,715,473.60

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1.5x scale

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.