Home / 12,777,003.40-19,165,505.10-8,242,040.20

Finding the Fourth Proportional to 12,777,003.40, 19,165,505.10 and 8,242,040.20

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Solution

The fourth proportional to 12,777,003.40, 19,165,505.10 and 8,242,040.20 is: 12,363,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,003.40 : 19,165,505.10 = 8,242,040.20 : x
  2. Step 2: Convert to fraction form
    12,777,003.40/19,165,505.10 = 8,242,040.20/x
  3. Step 3: Cross multiply
    12,777,003.40x = 19,165,505.10 × 8,242,040.20
  4. Step 4: Simplify right side
    12,777,003.40x = 157,962,863,487,505.03
  5. Step 5: Solve for x
    x = 157,962,863,487,505.03/12,777,003.40
  6. Step 6: Final answer
    x = 12,363,060.30

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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.