Home / 12,521,453.18-18,755,184.90-8,455,583.25

Finding the Fourth Proportional to 12,521,453.18, 18,755,184.90 and 8,455,583.25

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Solution

The fourth proportional to 12,521,453.18, 18,755,184.90 and 8,455,583.25 is: 12,665,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,453.18 : 18,755,184.90 = 8,455,583.25 : x
  2. Step 2: Convert to fraction form
    12,521,453.18/18,755,184.90 = 8,455,583.25/x
  3. Step 3: Cross multiply
    12,521,453.18x = 18,755,184.90 × 8,455,583.25
  4. Step 4: Simplify right side
    12,521,453.18x = 158,586,027,291,092.91
  5. Step 5: Solve for x
    x = 158,586,027,291,092.91/12,521,453.18
  6. Step 6: Final answer
    x = 12,665,145.57

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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.