Home / 5,427,436.85-8,130,512.78-3,148,172.79

Finding the Fourth Proportional to 5,427,436.85, 8,130,512.78 and 3,148,172.79

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Solution

The fourth proportional to 5,427,436.85, 8,130,512.78 and 3,148,172.79 is: 4,716,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,436.85 : 8,130,512.78 = 3,148,172.79 : x
  2. Step 2: Convert to fraction form
    5,427,436.85/8,130,512.78 = 3,148,172.79/x
  3. Step 3: Cross multiply
    5,427,436.85x = 8,130,512.78 × 3,148,172.79
  4. Step 4: Simplify right side
    5,427,436.85x = 25,596,259,102,743.26
  5. Step 5: Solve for x
    x = 25,596,259,102,743.26/5,427,436.85
  6. Step 6: Final answer
    x = 4,716,086.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.