Home / 8,163,543.60-11,261,920.80-5,263,865.92

Finding the Fourth Proportional to 8,163,543.60, 11,261,920.80 and 5,263,865.92

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Solution

The fourth proportional to 8,163,543.60, 11,261,920.80 and 5,263,865.92 is: 7,261,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163,543.60 : 11,261,920.80 = 5,263,865.92 : x
  2. Step 2: Convert to fraction form
    8,163,543.60/11,261,920.80 = 5,263,865.92/x
  3. Step 3: Cross multiply
    8,163,543.60x = 11,261,920.80 × 5,263,865.92
  4. Step 4: Simplify right side
    8,163,543.60x = 59,281,241,092,859.14
  5. Step 5: Solve for x
    x = 59,281,241,092,859.14/8,163,543.60
  6. Step 6: Final answer
    x = 7,261,704.48

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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.