Home / 16,872,389.26-23,258,814.90-13,244,418.70

Finding the Fourth Proportional to 16,872,389.26, 23,258,814.90 and 13,244,418.70

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Solution

The fourth proportional to 16,872,389.26, 23,258,814.90 and 13,244,418.70 is: 18,257,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872,389.26 : 23,258,814.90 = 13,244,418.70 : x
  2. Step 2: Convert to fraction form
    16,872,389.26/23,258,814.90 = 13,244,418.70/x
  3. Step 3: Cross multiply
    16,872,389.26x = 23,258,814.90 × 13,244,418.70
  4. Step 4: Simplify right side
    16,872,389.26x = 308,049,483,001,398.56
  5. Step 5: Solve for x
    x = 308,049,483,001,398.56/16,872,389.26
  6. Step 6: Final answer
    x = 18,257,608.82

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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.