Home / 12,468,031.10-18,670,553.85-8,185,010.30

Finding the Fourth Proportional to 12,468,031.10, 18,670,553.85 and 8,185,010.30

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Solution

The fourth proportional to 12,468,031.10, 18,670,553.85 and 8,185,010.30 is: 12,256,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,031.10 : 18,670,553.85 = 8,185,010.30 : x
  2. Step 2: Convert to fraction form
    12,468,031.10/18,670,553.85 = 8,185,010.30/x
  3. Step 3: Cross multiply
    12,468,031.10x = 18,670,553.85 × 8,185,010.30
  4. Step 4: Simplify right side
    12,468,031.10x = 152,818,675,568,954.66
  5. Step 5: Solve for x
    x = 152,818,675,568,954.66/12,468,031.10
  6. Step 6: Final answer
    x = 12,256,841.06

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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.