Home / 18,376,876.80-27,565,315.20-6,409,612.80

Finding the Fourth Proportional to 18,376,876.80, 27,565,315.20 and 6,409,612.80

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Solution

The fourth proportional to 18,376,876.80, 27,565,315.20 and 6,409,612.80 is: 9,614,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,876.80 : 27,565,315.20 = 6,409,612.80 : x
  2. Step 2: Convert to fraction form
    18,376,876.80/27,565,315.20 = 6,409,612.80/x
  3. Step 3: Cross multiply
    18,376,876.80x = 27,565,315.20 × 6,409,612.80
  4. Step 4: Simplify right side
    18,376,876.80x = 176,682,997,141,954.56
  5. Step 5: Solve for x
    x = 176,682,997,141,954.56/18,376,876.80
  6. Step 6: Final answer
    x = 9,614,419.20

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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.