Home / 7,989,600.80-11,026,729.61-4,505,656.49

Finding the Fourth Proportional to 7,989,600.80, 11,026,729.61 and 4,505,656.49

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Solution

The fourth proportional to 7,989,600.80, 11,026,729.61 and 4,505,656.49 is: 6,218,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,600.80 : 11,026,729.61 = 4,505,656.49 : x
  2. Step 2: Convert to fraction form
    7,989,600.80/11,026,729.61 = 4,505,656.49/x
  3. Step 3: Cross multiply
    7,989,600.80x = 11,026,729.61 × 4,505,656.49
  4. Step 4: Simplify right side
    7,989,600.80x = 49,682,655,836,700.50
  5. Step 5: Solve for x
    x = 49,682,655,836,700.50/7,989,600.80
  6. Step 6: Final answer
    x = 6,218,415.30

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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.