Home / 18,610,436.33-27,890,116.22-11,774,772.55

Finding the Fourth Proportional to 18,610,436.33, 27,890,116.22 and 11,774,772.55

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Solution

The fourth proportional to 18,610,436.33, 27,890,116.22 and 11,774,772.55 is: 17,646,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610,436.33 : 27,890,116.22 = 11,774,772.55 : x
  2. Step 2: Convert to fraction form
    18,610,436.33/27,890,116.22 = 11,774,772.55/x
  3. Step 3: Cross multiply
    18,610,436.33x = 27,890,116.22 × 11,774,772.55
  4. Step 4: Simplify right side
    18,610,436.33x = 328,399,774,883,565.75
  5. Step 5: Solve for x
    x = 328,399,774,883,565.75/18,610,436.33
  6. Step 6: Final answer
    x = 17,646,000.83

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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.