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Finding the Fourth Proportional to 9,778,481.48, 14,682,117.48 and 5,468,974.76

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Solution

The fourth proportional to 9,778,481.48, 14,682,117.48 and 5,468,974.76 is: 8,211,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,481.48 : 14,682,117.48 = 5,468,974.76 : x
  2. Step 2: Convert to fraction form
    9,778,481.48/14,682,117.48 = 5,468,974.76/x
  3. Step 3: Cross multiply
    9,778,481.48x = 14,682,117.48 × 5,468,974.76
  4. Step 4: Simplify right side
    9,778,481.48x = 80,296,129,921,474.80
  5. Step 5: Solve for x
    x = 80,296,129,921,474.80/9,778,481.48
  6. Step 6: Final answer
    x = 8,211,513.22

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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.