Home / 12,463,345.80-18,681,021.90-5,273,656.20

Finding the Fourth Proportional to 12,463,345.80, 18,681,021.90 and 5,273,656.20

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Solution

The fourth proportional to 12,463,345.80, 18,681,021.90 and 5,273,656.20 is: 7,904,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,345.80 : 18,681,021.90 = 5,273,656.20 : x
  2. Step 2: Convert to fraction form
    12,463,345.80/18,681,021.90 = 5,273,656.20/x
  3. Step 3: Cross multiply
    12,463,345.80x = 18,681,021.90 × 5,273,656.20
  4. Step 4: Simplify right side
    12,463,345.80x = 98,517,286,965,270.78
  5. Step 5: Solve for x
    x = 98,517,286,965,270.78/12,463,345.80
  6. Step 6: Final answer
    x = 7,904,561.79

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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.