Home / 27,699,529.69-38,227,328.90-15,309,356.85

Finding the Fourth Proportional to 27,699,529.69, 38,227,328.90 and 15,309,356.85

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Solution

The fourth proportional to 27,699,529.69, 38,227,328.90 and 15,309,356.85 is: 21,128,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699,529.69 : 38,227,328.90 = 15,309,356.85 : x
  2. Step 2: Convert to fraction form
    27,699,529.69/38,227,328.90 = 15,309,356.85/x
  3. Step 3: Cross multiply
    27,699,529.69x = 38,227,328.90 × 15,309,356.85
  4. Step 4: Simplify right side
    27,699,529.69x = 585,235,819,284,734.62
  5. Step 5: Solve for x
    x = 585,235,819,284,734.62/27,699,529.69
  6. Step 6: Final answer
    x = 21,128,005.63

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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.