Home / 8,610,355.92-11,869,535.16-5,512,436.40

Finding the Fourth Proportional to 8,610,355.92, 11,869,535.16 and 5,512,436.40

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Solution

The fourth proportional to 8,610,355.92, 11,869,535.16 and 5,512,436.40 is: 7,598,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610,355.92 : 11,869,535.16 = 5,512,436.40 : x
  2. Step 2: Convert to fraction form
    8,610,355.92/11,869,535.16 = 5,512,436.40/x
  3. Step 3: Cross multiply
    8,610,355.92x = 11,869,535.16 × 5,512,436.40
  4. Step 4: Simplify right side
    8,610,355.92x = 65,430,057,667,063.83
  5. Step 5: Solve for x
    x = 65,430,057,667,063.83/8,610,355.92
  6. Step 6: Final answer
    x = 7,598,995.71

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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.