Home / 12,347,957.12-18,433,843.31-11,527,376.90

Finding the Fourth Proportional to 12,347,957.12, 18,433,843.31 and 11,527,376.90

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Solution

The fourth proportional to 12,347,957.12, 18,433,843.31 and 11,527,376.90 is: 17,208,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,957.12 : 18,433,843.31 = 11,527,376.90 : x
  2. Step 2: Convert to fraction form
    12,347,957.12/18,433,843.31 = 11,527,376.90/x
  3. Step 3: Cross multiply
    12,347,957.12x = 18,433,843.31 × 11,527,376.90
  4. Step 4: Simplify right side
    12,347,957.12x = 212,493,859,486,562.75
  5. Step 5: Solve for x
    x = 212,493,859,486,562.75/12,347,957.12
  6. Step 6: Final answer
    x = 17,208,827.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.