Home / 22,167,652.73-30,612,487.16-20,959,969.19

Finding the Fourth Proportional to 22,167,652.73, 30,612,487.16 and 20,959,969.19

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Solution

The fourth proportional to 22,167,652.73, 30,612,487.16 and 20,959,969.19 is: 28,944,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167,652.73 : 30,612,487.16 = 20,959,969.19 : x
  2. Step 2: Convert to fraction form
    22,167,652.73/30,612,487.16 = 20,959,969.19/x
  3. Step 3: Cross multiply
    22,167,652.73x = 30,612,487.16 × 20,959,969.19
  4. Step 4: Simplify right side
    22,167,652.73x = 641,636,787,702,870.62
  5. Step 5: Solve for x
    x = 641,636,787,702,870.62/22,167,652.73
  6. Step 6: Final answer
    x = 28,944,732.92

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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.