Home / 9,428,336.92-13,011,107.10-5,135,984.92

Finding the Fourth Proportional to 9,428,336.92, 13,011,107.10 and 5,135,984.92

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Solution

The fourth proportional to 9,428,336.92, 13,011,107.10 and 5,135,984.92 is: 7,087,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428,336.92 : 13,011,107.10 = 5,135,984.92 : x
  2. Step 2: Convert to fraction form
    9,428,336.92/13,011,107.10 = 5,135,984.92/x
  3. Step 3: Cross multiply
    9,428,336.92x = 13,011,107.10 × 5,135,984.92
  4. Step 4: Simplify right side
    9,428,336.92x = 66,824,849,858,104.93
  5. Step 5: Solve for x
    x = 66,824,849,858,104.93/9,428,336.92
  6. Step 6: Final answer
    x = 7,087,660.36

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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.