Home / 18,348,548.80-27,531,680.55-12,945,565.30

Finding the Fourth Proportional to 18,348,548.80, 27,531,680.55 and 12,945,565.30

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Solution

The fourth proportional to 18,348,548.80, 27,531,680.55 and 12,945,565.30 is: 19,424,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348,548.80 : 27,531,680.55 = 12,945,565.30 : x
  2. Step 2: Convert to fraction form
    18,348,548.80/27,531,680.55 = 12,945,565.30/x
  3. Step 3: Cross multiply
    18,348,548.80x = 27,531,680.55 × 12,945,565.30
  4. Step 4: Simplify right side
    18,348,548.80x = 356,413,168,378,764.94
  5. Step 5: Solve for x
    x = 356,413,168,378,764.94/18,348,548.80
  6. Step 6: Final answer
    x = 19,424,597.13

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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.