Home / 8,635,572.20-11,912,093.87-5,579,786.45

Finding the Fourth Proportional to 8,635,572.20, 11,912,093.87 and 5,579,786.45

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Solution

The fourth proportional to 8,635,572.20, 11,912,093.87 and 5,579,786.45 is: 7,696,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,572.20 : 11,912,093.87 = 5,579,786.45 : x
  2. Step 2: Convert to fraction form
    8,635,572.20/11,912,093.87 = 5,579,786.45/x
  3. Step 3: Cross multiply
    8,635,572.20x = 11,912,093.87 × 5,579,786.45
  4. Step 4: Simplify right side
    8,635,572.20x = 66,466,939,966,954.06
  5. Step 5: Solve for x
    x = 66,466,939,966,954.06/8,635,572.20
  6. Step 6: Final answer
    x = 7,696,877.34

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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.