Home / 15,855,960.56-21,883,040.72-8,888,519.92

Finding the Fourth Proportional to 15,855,960.56, 21,883,040.72 and 8,888,519.92

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Solution

The fourth proportional to 15,855,960.56, 21,883,040.72 and 8,888,519.92 is: 12,267,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,960.56 : 21,883,040.72 = 8,888,519.92 : x
  2. Step 2: Convert to fraction form
    15,855,960.56/21,883,040.72 = 8,888,519.92/x
  3. Step 3: Cross multiply
    15,855,960.56x = 21,883,040.72 × 8,888,519.92
  4. Step 4: Simplify right side
    15,855,960.56x = 194,507,843,349,891.12
  5. Step 5: Solve for x
    x = 194,507,843,349,891.12/15,855,960.56
  6. Step 6: Final answer
    x = 12,267,175.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.