Home / 12,643,115.62-18,956,993.64-4,957,553.02

Finding the Fourth Proportional to 12,643,115.62, 18,956,993.64 and 4,957,553.02

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Solution

The fourth proportional to 12,643,115.62, 18,956,993.64 and 4,957,553.02 is: 7,433,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,115.62 : 18,956,993.64 = 4,957,553.02 : x
  2. Step 2: Convert to fraction form
    12,643,115.62/18,956,993.64 = 4,957,553.02/x
  3. Step 3: Cross multiply
    12,643,115.62x = 18,956,993.64 × 4,957,553.02
  4. Step 4: Simplify right side
    12,643,115.62x = 93,980,301,070,102.78
  5. Step 5: Solve for x
    x = 93,980,301,070,102.78/12,643,115.62
  6. Step 6: Final answer
    x = 7,433,318.17

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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.