Home / 12,631,987.80-18,912,552.30-12,277,693.80

Finding the Fourth Proportional to 12,631,987.80, 18,912,552.30 and 12,277,693.80

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Solution

The fourth proportional to 12,631,987.80, 18,912,552.30 and 12,277,693.80 is: 18,382,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,987.80 : 18,912,552.30 = 12,277,693.80 : x
  2. Step 2: Convert to fraction form
    12,631,987.80/18,912,552.30 = 12,277,693.80/x
  3. Step 3: Cross multiply
    12,631,987.80x = 18,912,552.30 × 12,277,693.80
  4. Step 4: Simplify right side
    12,631,987.80x = 232,202,526,115,885.75
  5. Step 5: Solve for x
    x = 232,202,526,115,885.75/12,631,987.80
  6. Step 6: Final answer
    x = 18,382,105.00

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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.