Home / 15,432,842.85-21,298,280.48-8,557,324.92

Finding the Fourth Proportional to 15,432,842.85, 21,298,280.48 and 8,557,324.92

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Solution

The fourth proportional to 15,432,842.85, 21,298,280.48 and 8,557,324.92 is: 11,809,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432,842.85 : 21,298,280.48 = 8,557,324.92 : x
  2. Step 2: Convert to fraction form
    15,432,842.85/21,298,280.48 = 8,557,324.92/x
  3. Step 3: Cross multiply
    15,432,842.85x = 21,298,280.48 × 8,557,324.92
  4. Step 4: Simplify right side
    15,432,842.85x = 182,256,306,304,653.56
  5. Step 5: Solve for x
    x = 182,256,306,304,653.56/15,432,842.85
  6. Step 6: Final answer
    x = 11,809,639.23

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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.