Home / 11,166,605.20-16,749,907.80-8,332,253.20

Finding the Fourth Proportional to 11,166,605.20, 16,749,907.80 and 8,332,253.20

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Solution

The fourth proportional to 11,166,605.20, 16,749,907.80 and 8,332,253.20 is: 12,498,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166,605.20 : 16,749,907.80 = 8,332,253.20 : x
  2. Step 2: Convert to fraction form
    11,166,605.20/16,749,907.80 = 8,332,253.20/x
  3. Step 3: Cross multiply
    11,166,605.20x = 16,749,907.80 × 8,332,253.20
  4. Step 4: Simplify right side
    11,166,605.20x = 139,564,472,866,254.97
  5. Step 5: Solve for x
    x = 139,564,472,866,254.97/11,166,605.20
  6. Step 6: Final answer
    x = 12,498,379.80

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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.