Home / 28,074,016.80-42,111,025.20-17,161,761.60

Finding the Fourth Proportional to 28,074,016.80, 42,111,025.20 and 17,161,761.60

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Solution

The fourth proportional to 28,074,016.80, 42,111,025.20 and 17,161,761.60 is: 25,742,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074,016.80 : 42,111,025.20 = 17,161,761.60 : x
  2. Step 2: Convert to fraction form
    28,074,016.80/42,111,025.20 = 17,161,761.60/x
  3. Step 3: Cross multiply
    28,074,016.80x = 42,111,025.20 × 17,161,761.60
  4. Step 4: Simplify right side
    28,074,016.80x = 722,699,375,213,992.38
  5. Step 5: Solve for x
    x = 722,699,375,213,992.38/28,074,016.80
  6. Step 6: Final answer
    x = 25,742,642.40

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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.