Home / 11,188,538.80-16,767,061.80-8,287,264.60

Finding the Fourth Proportional to 11,188,538.80, 16,767,061.80 and 8,287,264.60

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Solution

The fourth proportional to 11,188,538.80, 16,767,061.80 and 8,287,264.60 is: 12,419,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188,538.80 : 16,767,061.80 = 8,287,264.60 : x
  2. Step 2: Convert to fraction form
    11,188,538.80/16,767,061.80 = 8,287,264.60/x
  3. Step 3: Cross multiply
    11,188,538.80x = 16,767,061.80 × 8,287,264.60
  4. Step 4: Simplify right side
    11,188,538.80x = 138,953,077,701,152.28
  5. Step 5: Solve for x
    x = 138,953,077,701,152.28/11,188,538.80
  6. Step 6: Final answer
    x = 12,419,233.66

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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.