Home / 7,117,822.82-9,822,544.16-3,854,561.85

Finding the Fourth Proportional to 7,117,822.82, 9,822,544.16 and 3,854,561.85

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Solution

The fourth proportional to 7,117,822.82, 9,822,544.16 and 3,854,561.85 is: 5,319,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,822.82 : 9,822,544.16 = 3,854,561.85 : x
  2. Step 2: Convert to fraction form
    7,117,822.82/9,822,544.16 = 3,854,561.85/x
  3. Step 3: Cross multiply
    7,117,822.82x = 9,822,544.16 × 3,854,561.85
  4. Step 4: Simplify right side
    7,117,822.82x = 37,861,603,988,220.76
  5. Step 5: Solve for x
    x = 37,861,603,988,220.76/7,117,822.82
  6. Step 6: Final answer
    x = 5,319,267.55

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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.