Home / 6,665,947.60-9,195,324.48-5,426,890.80

Finding the Fourth Proportional to 6,665,947.60, 9,195,324.48 and 5,426,890.80

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Solution

The fourth proportional to 6,665,947.60, 9,195,324.48 and 5,426,890.80 is: 7,486,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,947.60 : 9,195,324.48 = 5,426,890.80 : x
  2. Step 2: Convert to fraction form
    6,665,947.60/9,195,324.48 = 5,426,890.80/x
  3. Step 3: Cross multiply
    6,665,947.60x = 9,195,324.48 × 5,426,890.80
  4. Step 4: Simplify right side
    6,665,947.60x = 49,902,021,823,526.78
  5. Step 5: Solve for x
    x = 49,902,021,823,526.78/6,665,947.60
  6. Step 6: Final answer
    x = 7,486,110.73

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Double scale
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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.