Home / 10,875,947.78-15,008,508.36-5,981,169.36

Finding the Fourth Proportional to 10,875,947.78, 15,008,508.36 and 5,981,169.36

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Solution

The fourth proportional to 10,875,947.78, 15,008,508.36 and 5,981,169.36 is: 8,253,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,947.78 : 15,008,508.36 = 5,981,169.36 : x
  2. Step 2: Convert to fraction form
    10,875,947.78/15,008,508.36 = 5,981,169.36/x
  3. Step 3: Cross multiply
    10,875,947.78x = 15,008,508.36 × 5,981,169.36
  4. Step 4: Simplify right side
    10,875,947.78x = 89,768,430,342,135.84
  5. Step 5: Solve for x
    x = 89,768,430,342,135.84/10,875,947.78
  6. Step 6: Final answer
    x = 8,253,848.97

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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.