Home / 14,131,568.80-21,198,908.40-5,158,064.80

Finding the Fourth Proportional to 14,131,568.80, 21,198,908.40 and 5,158,064.80

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Solution

The fourth proportional to 14,131,568.80, 21,198,908.40 and 5,158,064.80 is: 7,737,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,568.80 : 21,198,908.40 = 5,158,064.80 : x
  2. Step 2: Convert to fraction form
    14,131,568.80/21,198,908.40 = 5,158,064.80/x
  3. Step 3: Cross multiply
    14,131,568.80x = 21,198,908.40 × 5,158,064.80
  4. Step 4: Simplify right side
    14,131,568.80x = 109,345,343,216,464.31
  5. Step 5: Solve for x
    x = 109,345,343,216,464.31/14,131,568.80
  6. Step 6: Final answer
    x = 7,737,664.85

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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.