Home / 20,671,950.48-28,526,311.56-11,379,329.04

Finding the Fourth Proportional to 20,671,950.48, 28,526,311.56 and 11,379,329.04

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Solution

The fourth proportional to 20,671,950.48, 28,526,311.56 and 11,379,329.04 is: 15,702,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,950.48 : 28,526,311.56 = 11,379,329.04 : x
  2. Step 2: Convert to fraction form
    20,671,950.48/28,526,311.56 = 11,379,329.04/x
  3. Step 3: Cross multiply
    20,671,950.48x = 28,526,311.56 × 11,379,329.04
  4. Step 4: Simplify right side
    20,671,950.48x = 324,610,285,538,795.69
  5. Step 5: Solve for x
    x = 324,610,285,538,795.69/20,671,950.48
  6. Step 6: Final answer
    x = 15,702,934.56

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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.