Home / 10,993,394.16-15,171,033.24-8,235,195.12

Finding the Fourth Proportional to 10,993,394.16, 15,171,033.24 and 8,235,195.12

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Solution

The fourth proportional to 10,993,394.16, 15,171,033.24 and 8,235,195.12 is: 11,364,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,394.16 : 15,171,033.24 = 8,235,195.12 : x
  2. Step 2: Convert to fraction form
    10,993,394.16/15,171,033.24 = 8,235,195.12/x
  3. Step 3: Cross multiply
    10,993,394.16x = 15,171,033.24 × 8,235,195.12
  4. Step 4: Simplify right side
    10,993,394.16x = 124,936,418,903,405.80
  5. Step 5: Solve for x
    x = 124,936,418,903,405.80/10,993,394.16
  6. Step 6: Final answer
    x = 11,364,681.11

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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.