Home / 12,481,333.40-18,722,000.10-8,176,661.30

Finding the Fourth Proportional to 12,481,333.40, 18,722,000.10 and 8,176,661.30

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Solution

The fourth proportional to 12,481,333.40, 18,722,000.10 and 8,176,661.30 is: 12,264,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,333.40 : 18,722,000.10 = 8,176,661.30 : x
  2. Step 2: Convert to fraction form
    12,481,333.40/18,722,000.10 = 8,176,661.30/x
  3. Step 3: Cross multiply
    12,481,333.40x = 18,722,000.10 × 8,176,661.30
  4. Step 4: Simplify right side
    12,481,333.40x = 153,083,453,676,266.12
  5. Step 5: Solve for x
    x = 153,083,453,676,266.12/12,481,333.40
  6. Step 6: Final answer
    x = 12,264,991.95

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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.