Home / 21,407,724.38-29,542,674.83-11,618,166.24

Finding the Fourth Proportional to 21,407,724.38, 29,542,674.83 and 11,618,166.24

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Solution

The fourth proportional to 21,407,724.38, 29,542,674.83 and 11,618,166.24 is: 16,033,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,724.38 : 29,542,674.83 = 11,618,166.24 : x
  2. Step 2: Convert to fraction form
    21,407,724.38/29,542,674.83 = 11,618,166.24/x
  3. Step 3: Cross multiply
    21,407,724.38x = 29,542,674.83 × 11,618,166.24
  4. Step 4: Simplify right side
    21,407,724.38x = 343,231,707,291,112.88
  5. Step 5: Solve for x
    x = 343,231,707,291,112.88/21,407,724.38
  6. Step 6: Final answer
    x = 16,033,077.65

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Double scale
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1.5x scale

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.