Home / 8,538,221.33-11,782,710.20-4,617,981.83

Finding the Fourth Proportional to 8,538,221.33, 11,782,710.20 and 4,617,981.83

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Solution

The fourth proportional to 8,538,221.33, 11,782,710.20 and 4,617,981.83 is: 6,372,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,221.33 : 11,782,710.20 = 4,617,981.83 : x
  2. Step 2: Convert to fraction form
    8,538,221.33/11,782,710.20 = 4,617,981.83/x
  3. Step 3: Cross multiply
    8,538,221.33x = 11,782,710.20 × 4,617,981.83
  4. Step 4: Simplify right side
    8,538,221.33x = 54,412,341,552,842.12
  5. Step 5: Solve for x
    x = 54,412,341,552,842.12/8,538,221.33
  6. Step 6: Final answer
    x = 6,372,795.86

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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.