Home / 13,512,763.62-18,649,409.76-7,710,215.22

Finding the Fourth Proportional to 13,512,763.62, 18,649,409.76 and 7,710,215.22

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Solution

The fourth proportional to 13,512,763.62, 18,649,409.76 and 7,710,215.22 is: 10,641,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,763.62 : 18,649,409.76 = 7,710,215.22 : x
  2. Step 2: Convert to fraction form
    13,512,763.62/18,649,409.76 = 7,710,215.22/x
  3. Step 3: Cross multiply
    13,512,763.62x = 18,649,409.76 × 7,710,215.22
  4. Step 4: Simplify right side
    13,512,763.62x = 143,790,962,975,568.56
  5. Step 5: Solve for x
    x = 143,790,962,975,568.56/13,512,763.62
  6. Step 6: Final answer
    x = 10,641,121.76

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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.