Home / 9,218,014.32-12,718,960.68-5,297,013.12

Finding the Fourth Proportional to 9,218,014.32, 12,718,960.68 and 5,297,013.12

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Solution

The fourth proportional to 9,218,014.32, 12,718,960.68 and 5,297,013.12 is: 7,308,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,014.32 : 12,718,960.68 = 5,297,013.12 : x
  2. Step 2: Convert to fraction form
    9,218,014.32/12,718,960.68 = 5,297,013.12/x
  3. Step 3: Cross multiply
    9,218,014.32x = 12,718,960.68 × 5,297,013.12
  4. Step 4: Simplify right side
    9,218,014.32x = 67,372,501,594,724.12
  5. Step 5: Solve for x
    x = 67,372,501,594,724.12/9,218,014.32
  6. Step 6: Final answer
    x = 7,308,786.82

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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.