Home / 13,150,161.24-18,145,650.74-7,269,001.17

Finding the Fourth Proportional to 13,150,161.24, 18,145,650.74 and 7,269,001.17

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Solution

The fourth proportional to 13,150,161.24, 18,145,650.74 and 7,269,001.17 is: 10,030,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,161.24 : 18,145,650.74 = 7,269,001.17 : x
  2. Step 2: Convert to fraction form
    13,150,161.24/18,145,650.74 = 7,269,001.17/x
  3. Step 3: Cross multiply
    13,150,161.24x = 18,145,650.74 × 7,269,001.17
  4. Step 4: Simplify right side
    13,150,161.24x = 131,900,756,423,126.36
  5. Step 5: Solve for x
    x = 131,900,756,423,126.36/13,150,161.24
  6. Step 6: Final answer
    x = 10,030,352.79

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1.5x scale

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.