Home / 20,589,368.04-28,413,241.29-11,422,010.79

Finding the Fourth Proportional to 20,589,368.04, 28,413,241.29 and 11,422,010.79

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Solution

The fourth proportional to 20,589,368.04, 28,413,241.29 and 11,422,010.79 is: 15,762,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,368.04 : 28,413,241.29 = 11,422,010.79 : x
  2. Step 2: Convert to fraction form
    20,589,368.04/28,413,241.29 = 11,422,010.79/x
  3. Step 3: Cross multiply
    20,589,368.04x = 28,413,241.29 × 11,422,010.79
  4. Step 4: Simplify right side
    20,589,368.04x = 324,536,348,593,253.50
  5. Step 5: Solve for x
    x = 324,536,348,593,253.50/20,589,368.04
  6. Step 6: Final answer
    x = 15,762,326.85

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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.