Home / 15,546,022.56-21,453,539.76-8,670,947.76

Finding the Fourth Proportional to 15,546,022.56, 21,453,539.76 and 8,670,947.76

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Solution

The fourth proportional to 15,546,022.56, 21,453,539.76 and 8,670,947.76 is: 11,965,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546,022.56 : 21,453,539.76 = 8,670,947.76 : x
  2. Step 2: Convert to fraction form
    15,546,022.56/21,453,539.76 = 8,670,947.76/x
  3. Step 3: Cross multiply
    15,546,022.56x = 21,453,539.76 × 8,670,947.76
  4. Step 4: Simplify right side
    15,546,022.56x = 186,022,522,526,042.94
  5. Step 5: Solve for x
    x = 186,022,522,526,042.94/15,546,022.56
  6. Step 6: Final answer
    x = 11,965,923.88

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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.