Home / 13,542,247.45-18,684,686.37-8,031,040.26

Finding the Fourth Proportional to 13,542,247.45, 18,684,686.37 and 8,031,040.26

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Solution

The fourth proportional to 13,542,247.45, 18,684,686.37 and 8,031,040.26 is: 11,080,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,247.45 : 18,684,686.37 = 8,031,040.26 : x
  2. Step 2: Convert to fraction form
    13,542,247.45/18,684,686.37 = 8,031,040.26/x
  3. Step 3: Cross multiply
    13,542,247.45x = 18,684,686.37 × 8,031,040.26
  4. Step 4: Simplify right side
    13,542,247.45x = 150,057,468,482,943.25
  5. Step 5: Solve for x
    x = 150,057,468,482,943.25/13,542,247.45
  6. Step 6: Final answer
    x = 11,080,691.67

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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.