Home / 9,129,515.96-12,598,578.06-5,055,047.48

Finding the Fourth Proportional to 9,129,515.96, 12,598,578.06 and 5,055,047.48

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Solution

The fourth proportional to 9,129,515.96, 12,598,578.06 and 5,055,047.48 is: 6,975,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,515.96 : 12,598,578.06 = 5,055,047.48 : x
  2. Step 2: Convert to fraction form
    9,129,515.96/12,598,578.06 = 5,055,047.48/x
  3. Step 3: Cross multiply
    9,129,515.96x = 12,598,578.06 × 5,055,047.48
  4. Step 4: Simplify right side
    9,129,515.96x = 63,686,410,273,786.30
  5. Step 5: Solve for x
    x = 63,686,410,273,786.30/9,129,515.96
  6. Step 6: Final answer
    x = 6,975,880.27

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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.