Home / 18,295,657.80-27,433,461.72-8,437,019.16

Finding the Fourth Proportional to 18,295,657.80, 27,433,461.72 and 8,437,019.16

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Solution

The fourth proportional to 18,295,657.80, 27,433,461.72 and 8,437,019.16 is: 12,650,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295,657.80 : 27,433,461.72 = 8,437,019.16 : x
  2. Step 2: Convert to fraction form
    18,295,657.80/27,433,461.72 = 8,437,019.16/x
  3. Step 3: Cross multiply
    18,295,657.80x = 27,433,461.72 × 8,437,019.16
  4. Step 4: Simplify right side
    18,295,657.80x = 231,456,642,156,766.56
  5. Step 5: Solve for x
    x = 231,456,642,156,766.56/18,295,657.80
  6. Step 6: Final answer
    x = 12,650,905.73

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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.