Home / 21,407,743.07-29,542,700.61-11,618,184.92

Finding the Fourth Proportional to 21,407,743.07, 29,542,700.61 and 11,618,184.92

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Solution

The fourth proportional to 21,407,743.07, 29,542,700.61 and 11,618,184.92 is: 16,033,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,743.07 : 29,542,700.61 = 11,618,184.92 : x
  2. Step 2: Convert to fraction form
    21,407,743.07/29,542,700.61 = 11,618,184.92/x
  3. Step 3: Cross multiply
    21,407,743.07x = 29,542,700.61 × 11,618,184.92
  4. Step 4: Simplify right side
    21,407,743.07x = 343,232,558,723,176.81
  5. Step 5: Solve for x
    x = 343,232,558,723,176.81/21,407,743.07
  6. Step 6: Final answer
    x = 16,033,103.42

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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.