Home / 12,349,520.70-18,520,738.11-8,586,918.42

Finding the Fourth Proportional to 12,349,520.70, 18,520,738.11 and 8,586,918.42

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Solution

The fourth proportional to 12,349,520.70, 18,520,738.11 and 8,586,918.42 is: 12,877,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,520.70 : 18,520,738.11 = 8,586,918.42 : x
  2. Step 2: Convert to fraction form
    12,349,520.70/18,520,738.11 = 8,586,918.42/x
  3. Step 3: Cross multiply
    12,349,520.70x = 18,520,738.11 × 8,586,918.42
  4. Step 4: Simplify right side
    12,349,520.70x = 159,036,067,228,754.97
  5. Step 5: Solve for x
    x = 159,036,067,228,754.97/12,349,520.70
  6. Step 6: Final answer
    x = 12,877,914.14

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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.