Home / 9,261,043.76-12,780,240.38-5,186,662.76

Finding the Fourth Proportional to 9,261,043.76, 12,780,240.38 and 5,186,662.76

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Solution

The fourth proportional to 9,261,043.76, 12,780,240.38 and 5,186,662.76 is: 7,157,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,043.76 : 12,780,240.38 = 5,186,662.76 : x
  2. Step 2: Convert to fraction form
    9,261,043.76/12,780,240.38 = 5,186,662.76/x
  3. Step 3: Cross multiply
    9,261,043.76x = 12,780,240.38 × 5,186,662.76
  4. Step 4: Simplify right side
    9,261,043.76x = 66,286,796,842,794.25
  5. Step 5: Solve for x
    x = 66,286,796,842,794.25/9,261,043.76
  6. Step 6: Final answer
    x = 7,157,594.60

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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.