Home / 21,508,621.08-29,681,523.33-11,719,145.70

Finding the Fourth Proportional to 21,508,621.08, 29,681,523.33 and 11,719,145.70

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Solution

The fourth proportional to 21,508,621.08, 29,681,523.33 and 11,719,145.70 is: 16,172,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,621.08 : 29,681,523.33 = 11,719,145.70 : x
  2. Step 2: Convert to fraction form
    21,508,621.08/29,681,523.33 = 11,719,145.70/x
  3. Step 3: Cross multiply
    21,508,621.08x = 29,681,523.33 × 11,719,145.70
  4. Step 4: Simplify right side
    21,508,621.08x = 347,842,096,502,219.12
  5. Step 5: Solve for x
    x = 347,842,096,502,219.12/21,508,621.08
  6. Step 6: Final answer
    x = 16,172,217.42

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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.