Home / 7,171,440.40-10,757,160.60-2,911,747.60

Finding the Fourth Proportional to 7,171,440.40, 10,757,160.60 and 2,911,747.60

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Solution

The fourth proportional to 7,171,440.40, 10,757,160.60 and 2,911,747.60 is: 4,367,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,440.40 : 10,757,160.60 = 2,911,747.60 : x
  2. Step 2: Convert to fraction form
    7,171,440.40/10,757,160.60 = 2,911,747.60/x
  3. Step 3: Cross multiply
    7,171,440.40x = 10,757,160.60 × 2,911,747.60
  4. Step 4: Simplify right side
    7,171,440.40x = 31,322,136,559,864.56
  5. Step 5: Solve for x
    x = 31,322,136,559,864.56/7,171,440.40
  6. Step 6: Final answer
    x = 4,367,621.40

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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.