Home / 9,340,171.22-12,888,880.56-5,419,623.80

Finding the Fourth Proportional to 9,340,171.22, 12,888,880.56 and 5,419,623.80

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Solution

The fourth proportional to 9,340,171.22, 12,888,880.56 and 5,419,623.80 is: 7,478,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,171.22 : 12,888,880.56 = 5,419,623.80 : x
  2. Step 2: Convert to fraction form
    9,340,171.22/12,888,880.56 = 5,419,623.80/x
  3. Step 3: Cross multiply
    9,340,171.22x = 12,888,880.56 × 5,419,623.80
  4. Step 4: Simplify right side
    9,340,171.22x = 69,852,883,838,333.33
  5. Step 5: Solve for x
    x = 69,852,883,838,333.33/9,340,171.22
  6. Step 6: Final answer
    x = 7,478,758.39

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1.5x scale

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.