Home / 15,886,505.38-21,897,177.78-11,234,289.82

Finding the Fourth Proportional to 15,886,505.38, 21,897,177.78 and 11,234,289.82

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Solution

The fourth proportional to 15,886,505.38, 21,897,177.78 and 11,234,289.82 is: 15,484,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886,505.38 : 21,897,177.78 = 11,234,289.82 : x
  2. Step 2: Convert to fraction form
    15,886,505.38/21,897,177.78 = 11,234,289.82/x
  3. Step 3: Cross multiply
    15,886,505.38x = 21,897,177.78 × 11,234,289.82
  4. Step 4: Simplify right side
    15,886,505.38x = 245,999,241,420,584.22
  5. Step 5: Solve for x
    x = 245,999,241,420,584.22/15,886,505.38
  6. Step 6: Final answer
    x = 15,484,792.63

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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.