Home / 12,975,202.56-17,905,340.86-7,467,812.96

Finding the Fourth Proportional to 12,975,202.56, 17,905,340.86 and 7,467,812.96

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Solution

The fourth proportional to 12,975,202.56, 17,905,340.86 and 7,467,812.96 is: 10,305,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,202.56 : 17,905,340.86 = 7,467,812.96 : x
  2. Step 2: Convert to fraction form
    12,975,202.56/17,905,340.86 = 7,467,812.96/x
  3. Step 3: Cross multiply
    12,975,202.56x = 17,905,340.86 × 7,467,812.96
  4. Step 4: Simplify right side
    12,975,202.56x = 133,713,736,527,525.55
  5. Step 5: Solve for x
    x = 133,713,736,527,525.55/12,975,202.56
  6. Step 6: Final answer
    x = 10,305,329.41

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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.