Home / 12,170,299.82-16,790,091.48-7,272,726.62

Finding the Fourth Proportional to 12,170,299.82, 16,790,091.48 and 7,272,726.62

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Solution

The fourth proportional to 12,170,299.82, 16,790,091.48 and 7,272,726.62 is: 10,033,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,299.82 : 16,790,091.48 = 7,272,726.62 : x
  2. Step 2: Convert to fraction form
    12,170,299.82/16,790,091.48 = 7,272,726.62/x
  3. Step 3: Cross multiply
    12,170,299.82x = 16,790,091.48 × 7,272,726.62
  4. Step 4: Simplify right side
    12,170,299.82x = 122,109,745,174,880.75
  5. Step 5: Solve for x
    x = 122,109,745,174,880.75/12,170,299.82
  6. Step 6: Final answer
    x = 10,033,421.28

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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.