Home / 10,889,638.38-15,027,240.60-5,927,976.43

Finding the Fourth Proportional to 10,889,638.38, 15,027,240.60 and 5,927,976.43

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Solution

The fourth proportional to 10,889,638.38, 15,027,240.60 and 5,927,976.43 is: 8,180,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889,638.38 : 15,027,240.60 = 5,927,976.43 : x
  2. Step 2: Convert to fraction form
    10,889,638.38/15,027,240.60 = 5,927,976.43/x
  3. Step 3: Cross multiply
    10,889,638.38x = 15,027,240.60 × 5,927,976.43
  4. Step 4: Simplify right side
    10,889,638.38x = 89,081,128,047,170.95
  5. Step 5: Solve for x
    x = 89,081,128,047,170.95/10,889,638.38
  6. Step 6: Final answer
    x = 8,180,356.86

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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.