Home / 12,873,926.16-19,327,776.12-8,633,077.20

Finding the Fourth Proportional to 12,873,926.16, 19,327,776.12 and 8,633,077.20

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Solution

The fourth proportional to 12,873,926.16, 19,327,776.12 and 8,633,077.20 is: 12,960,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,926.16 : 19,327,776.12 = 8,633,077.20 : x
  2. Step 2: Convert to fraction form
    12,873,926.16/19,327,776.12 = 8,633,077.20/x
  3. Step 3: Cross multiply
    12,873,926.16x = 19,327,776.12 × 8,633,077.20
  4. Step 4: Simplify right side
    12,873,926.16x = 166,858,183,348,276.47
  5. Step 5: Solve for x
    x = 166,858,183,348,276.47/12,873,926.16
  6. Step 6: Final answer
    x = 12,960,939.91

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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.