Home / 15,294,205.69-21,106,560.76-8,324,546.38

Finding the Fourth Proportional to 15,294,205.69, 21,106,560.76 and 8,324,546.38

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Solution

The fourth proportional to 15,294,205.69, 21,106,560.76 and 8,324,546.38 is: 11,488,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,205.69 : 21,106,560.76 = 8,324,546.38 : x
  2. Step 2: Convert to fraction form
    15,294,205.69/21,106,560.76 = 8,324,546.38/x
  3. Step 3: Cross multiply
    15,294,205.69x = 21,106,560.76 × 8,324,546.38
  4. Step 4: Simplify right side
    15,294,205.69x = 175,702,543,895,330.28
  5. Step 5: Solve for x
    x = 175,702,543,895,330.28/15,294,205.69
  6. Step 6: Final answer
    x = 11,488,177.12

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1.5x scale

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.