Home / 8,635,572.45-11,912,094.22-5,579,786.70

Finding the Fourth Proportional to 8,635,572.45, 11,912,094.22 and 5,579,786.70

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Solution

The fourth proportional to 8,635,572.45, 11,912,094.22 and 5,579,786.70 is: 7,696,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,572.45 : 11,912,094.22 = 5,579,786.70 : x
  2. Step 2: Convert to fraction form
    8,635,572.45/11,912,094.22 = 5,579,786.70/x
  3. Step 3: Cross multiply
    8,635,572.45x = 11,912,094.22 × 5,579,786.70
  4. Step 4: Simplify right side
    8,635,572.45x = 66,466,944,897,902.88
  5. Step 5: Solve for x
    x = 66,466,944,897,902.88/8,635,572.45
  6. Step 6: Final answer
    x = 7,696,877.69

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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.