Home / 7,378,091.32-10,181,784.06-4,115,117.42

Finding the Fourth Proportional to 7,378,091.32, 10,181,784.06 and 4,115,117.42

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Solution

The fourth proportional to 7,378,091.32, 10,181,784.06 and 4,115,117.42 is: 5,678,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,091.32 : 10,181,784.06 = 4,115,117.42 : x
  2. Step 2: Convert to fraction form
    7,378,091.32/10,181,784.06 = 4,115,117.42/x
  3. Step 3: Cross multiply
    7,378,091.32x = 10,181,784.06 × 4,115,117.42
  4. Step 4: Simplify right side
    7,378,091.32x = 41,899,236,951,984.33
  5. Step 5: Solve for x
    x = 41,899,236,951,984.33/7,378,091.32
  6. Step 6: Final answer
    x = 5,678,872.10

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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.