Home / 15,317,240.68-21,137,722.82-8,441,707.88

Finding the Fourth Proportional to 15,317,240.68, 21,137,722.82 and 8,441,707.88

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Solution

The fourth proportional to 15,317,240.68, 21,137,722.82 and 8,441,707.88 is: 11,649,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317,240.68 : 21,137,722.82 = 8,441,707.88 : x
  2. Step 2: Convert to fraction form
    15,317,240.68/21,137,722.82 = 8,441,707.88/x
  3. Step 3: Cross multiply
    15,317,240.68x = 21,137,722.82 × 8,441,707.88
  4. Step 4: Simplify right side
    15,317,240.68x = 178,438,481,294,849.84
  5. Step 5: Solve for x
    x = 178,438,481,294,849.84/15,317,240.68
  6. Step 6: Final answer
    x = 11,649,518.67

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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.