Home / 14,705,091.80-20,287,460.22-9,120,755.24

Finding the Fourth Proportional to 14,705,091.80, 20,287,460.22 and 9,120,755.24

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Solution

The fourth proportional to 14,705,091.80, 20,287,460.22 and 9,120,755.24 is: 12,583,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705,091.80 : 20,287,460.22 = 9,120,755.24 : x
  2. Step 2: Convert to fraction form
    14,705,091.80/20,287,460.22 = 9,120,755.24/x
  3. Step 3: Cross multiply
    14,705,091.80x = 20,287,460.22 × 9,120,755.24
  4. Step 4: Simplify right side
    14,705,091.80x = 185,036,959,107,856.53
  5. Step 5: Solve for x
    x = 185,036,959,107,856.53/14,705,091.80
  6. Step 6: Final answer
    x = 12,583,189.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.