Home / 12,521,462.43-18,755,198.76-8,455,592.51

Finding the Fourth Proportional to 12,521,462.43, 18,755,198.76 and 8,455,592.51

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Solution

The fourth proportional to 12,521,462.43, 18,755,198.76 and 8,455,592.51 is: 12,665,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,462.43 : 18,755,198.76 = 8,455,592.51 : x
  2. Step 2: Convert to fraction form
    12,521,462.43/18,755,198.76 = 8,455,592.51/x
  3. Step 3: Cross multiply
    12,521,462.43x = 18,755,198.76 × 8,455,592.51
  4. Step 4: Simplify right side
    12,521,462.43x = 158,586,318,064,841.31
  5. Step 5: Solve for x
    x = 158,586,318,064,841.31/12,521,462.43
  6. Step 6: Final answer
    x = 12,665,159.44

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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.