Home / 15,752,313-21,738,211.38-8,508,969

Finding the Fourth Proportional to 15,752,313, 21,738,211.38 and 8,508,969

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Solution

The fourth proportional to 15,752,313, 21,738,211.38 and 8,508,969 is: 11,742,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752,313 : 21,738,211.38 = 8,508,969 : x
  2. Step 2: Convert to fraction form
    15,752,313/21,738,211.38 = 8,508,969/x
  3. Step 3: Cross multiply
    15,752,313x = 21,738,211.38 × 8,508,969
  4. Step 4: Simplify right side
    15,752,313x = 184,969,766,747,867.22
  5. Step 5: Solve for x
    x = 184,969,766,747,867.22/15,752,313
  6. Step 6: Final answer
    x = 11,742,387.72

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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.