Home / 21,603,579.26-29,815,249.76-13,236,501.76

Finding the Fourth Proportional to 21,603,579.26, 29,815,249.76 and 13,236,501.76

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Solution

The fourth proportional to 21,603,579.26, 29,815,249.76 and 13,236,501.76 is: 18,267,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603,579.26 : 29,815,249.76 = 13,236,501.76 : x
  2. Step 2: Convert to fraction form
    21,603,579.26/29,815,249.76 = 13,236,501.76/x
  3. Step 3: Cross multiply
    21,603,579.26x = 29,815,249.76 × 13,236,501.76
  4. Step 4: Simplify right side
    21,603,579.26x = 394,649,605,923,079.56
  5. Step 5: Solve for x
    x = 394,649,605,923,079.56/21,603,579.26
  6. Step 6: Final answer
    x = 18,267,788.00

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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.