Home / 13,745,131.21-18,967,174.86-7,944,288.67

Finding the Fourth Proportional to 13,745,131.21, 18,967,174.86 and 7,944,288.67

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Solution

The fourth proportional to 13,745,131.21, 18,967,174.86 and 7,944,288.67 is: 10,962,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,131.21 : 18,967,174.86 = 7,944,288.67 : x
  2. Step 2: Convert to fraction form
    13,745,131.21/18,967,174.86 = 7,944,288.67/x
  3. Step 3: Cross multiply
    13,745,131.21x = 18,967,174.86 × 7,944,288.67
  4. Step 4: Simplify right side
    13,745,131.21x = 150,680,712,247,370.97
  5. Step 5: Solve for x
    x = 150,680,712,247,370.97/13,745,131.21
  6. Step 6: Final answer
    x = 10,962,479.00

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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.