Home / 9,631,218.92-13,290,729.41-5,280,209.82

Finding the Fourth Proportional to 9,631,218.92, 13,290,729.41 and 5,280,209.82

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Solution

The fourth proportional to 9,631,218.92, 13,290,729.41 and 5,280,209.82 is: 7,286,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,218.92 : 13,290,729.41 = 5,280,209.82 : x
  2. Step 2: Convert to fraction form
    9,631,218.92/13,290,729.41 = 5,280,209.82/x
  3. Step 3: Cross multiply
    9,631,218.92x = 13,290,729.41 × 5,280,209.82
  4. Step 4: Simplify right side
    9,631,218.92x = 70,177,839,958,845.34
  5. Step 5: Solve for x
    x = 70,177,839,958,845.34/9,631,218.92
  6. Step 6: Final answer
    x = 7,286,496.19

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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.