Home / 12,798,832.30-19,198,248.45-8,494,160.20

Finding the Fourth Proportional to 12,798,832.30, 19,198,248.45 and 8,494,160.20

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Solution

The fourth proportional to 12,798,832.30, 19,198,248.45 and 8,494,160.20 is: 12,741,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,832.30 : 19,198,248.45 = 8,494,160.20 : x
  2. Step 2: Convert to fraction form
    12,798,832.30/19,198,248.45 = 8,494,160.20/x
  3. Step 3: Cross multiply
    12,798,832.30x = 19,198,248.45 × 8,494,160.20
  4. Step 4: Simplify right side
    12,798,832.30x = 163,072,997,893,701.66
  5. Step 5: Solve for x
    x = 163,072,997,893,701.66/12,798,832.30
  6. Step 6: Final answer
    x = 12,741,240.30

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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.