Home / 21,061,215.24-29,063,919.51-11,768,861.67

Finding the Fourth Proportional to 21,061,215.24, 29,063,919.51 and 11,768,861.67

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Solution

The fourth proportional to 21,061,215.24, 29,063,919.51 and 11,768,861.67 is: 16,240,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,215.24 : 29,063,919.51 = 11,768,861.67 : x
  2. Step 2: Convert to fraction form
    21,061,215.24/29,063,919.51 = 11,768,861.67/x
  3. Step 3: Cross multiply
    21,061,215.24x = 29,063,919.51 × 11,768,861.67
  4. Step 4: Simplify right side
    21,061,215.24x = 342,049,248,097,040.25
  5. Step 5: Solve for x
    x = 342,049,248,097,040.25/21,061,215.24
  6. Step 6: Final answer
    x = 16,240,717.56

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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.