Home / 20,258,719.78-27,898,082.09-17,608,379.22

Finding the Fourth Proportional to 20,258,719.78, 27,898,082.09 and 17,608,379.22

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Solution

The fourth proportional to 20,258,719.78, 27,898,082.09 and 17,608,379.22 is: 24,248,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,719.78 : 27,898,082.09 = 17,608,379.22 : x
  2. Step 2: Convert to fraction form
    20,258,719.78/27,898,082.09 = 17,608,379.22/x
  3. Step 3: Cross multiply
    20,258,719.78x = 27,898,082.09 × 17,608,379.22
  4. Step 4: Simplify right side
    20,258,719.78x = 491,240,009,057,381.50
  5. Step 5: Solve for x
    x = 491,240,009,057,381.50/20,258,719.78
  6. Step 6: Final answer
    x = 24,248,324.40

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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.