Home / 7,253,577.95-10,009,542.20-3,989,865.78

Finding the Fourth Proportional to 7,253,577.95, 10,009,542.20 and 3,989,865.78

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Solution

The fourth proportional to 7,253,577.95, 10,009,542.20 and 3,989,865.78 is: 5,505,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,577.95 : 10,009,542.20 = 3,989,865.78 : x
  2. Step 2: Convert to fraction form
    7,253,577.95/10,009,542.20 = 3,989,865.78/x
  3. Step 3: Cross multiply
    7,253,577.95x = 10,009,542.20 × 3,989,865.78
  4. Step 4: Simplify right side
    7,253,577.95x = 39,936,729,877,296.59
  5. Step 5: Solve for x
    x = 39,936,729,877,296.59/7,253,577.95
  6. Step 6: Final answer
    x = 5,505,797.30

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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.