Home / 7,111,391.40-10,667,087.10-5,221,823.40

Finding the Fourth Proportional to 7,111,391.40, 10,667,087.10 and 5,221,823.40

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Solution

The fourth proportional to 7,111,391.40, 10,667,087.10 and 5,221,823.40 is: 7,832,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,391.40 : 10,667,087.10 = 5,221,823.40 : x
  2. Step 2: Convert to fraction form
    7,111,391.40/10,667,087.10 = 5,221,823.40/x
  3. Step 3: Cross multiply
    7,111,391.40x = 10,667,087.10 × 5,221,823.40
  4. Step 4: Simplify right side
    7,111,391.40x = 55,701,645,028,618.14
  5. Step 5: Solve for x
    x = 55,701,645,028,618.14/7,111,391.40
  6. Step 6: Final answer
    x = 7,832,735.10

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Similar ratio
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1.5x scale

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.