Home / 15,704,348.92-21,672,035.22-8,828,887.48

Finding the Fourth Proportional to 15,704,348.92, 21,672,035.22 and 8,828,887.48

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Solution

The fourth proportional to 15,704,348.92, 21,672,035.22 and 8,828,887.48 is: 12,183,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704,348.92 : 21,672,035.22 = 8,828,887.48 : x
  2. Step 2: Convert to fraction form
    15,704,348.92/21,672,035.22 = 8,828,887.48/x
  3. Step 3: Cross multiply
    15,704,348.92x = 21,672,035.22 × 8,828,887.48
  4. Step 4: Simplify right side
    15,704,348.92x = 191,339,960,419,977.03
  5. Step 5: Solve for x
    x = 191,339,960,419,977.03/15,704,348.92
  6. Step 6: Final answer
    x = 12,183,883.67

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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.