Home / 7,465,655.78-11,188,073.20-5,642,524.05

Finding the Fourth Proportional to 7,465,655.78, 11,188,073.20 and 5,642,524.05

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Solution

The fourth proportional to 7,465,655.78, 11,188,073.20 and 5,642,524.05 is: 8,455,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465,655.78 : 11,188,073.20 = 5,642,524.05 : x
  2. Step 2: Convert to fraction form
    7,465,655.78/11,188,073.20 = 5,642,524.05/x
  3. Step 3: Cross multiply
    7,465,655.78x = 11,188,073.20 × 5,642,524.05
  4. Step 4: Simplify right side
    7,465,655.78x = 63,128,972,104,160.45
  5. Step 5: Solve for x
    x = 63,128,972,104,160.45/7,465,655.78
  6. Step 6: Final answer
    x = 8,455,917.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.