Home / 7,897,856.80-11,837,829.36-3,629,204.56

Finding the Fourth Proportional to 7,897,856.80, 11,837,829.36 and 3,629,204.56

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Solution

The fourth proportional to 7,897,856.80, 11,837,829.36 and 3,629,204.56 is: 5,439,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897,856.80 : 11,837,829.36 = 3,629,204.56 : x
  2. Step 2: Convert to fraction form
    7,897,856.80/11,837,829.36 = 3,629,204.56/x
  3. Step 3: Cross multiply
    7,897,856.80x = 11,837,829.36 × 3,629,204.56
  4. Step 4: Simplify right side
    7,897,856.80x = 42,961,904,293,813.88
  5. Step 5: Solve for x
    x = 42,961,904,293,813.88/7,897,856.80
  6. Step 6: Final answer
    x = 5,439,691.47

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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.