Home / 7,111,179.19-9,813,472.59-4,170,396.68

Finding the Fourth Proportional to 7,111,179.19, 9,813,472.59 and 4,170,396.68

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Solution

The fourth proportional to 7,111,179.19, 9,813,472.59 and 4,170,396.68 is: 5,755,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,179.19 : 9,813,472.59 = 4,170,396.68 : x
  2. Step 2: Convert to fraction form
    7,111,179.19/9,813,472.59 = 4,170,396.68/x
  3. Step 3: Cross multiply
    7,111,179.19x = 9,813,472.59 × 4,170,396.68
  4. Step 4: Simplify right side
    7,111,179.19x = 40,926,073,520,873.84
  5. Step 5: Solve for x
    x = 40,926,073,520,873.84/7,111,179.19
  6. Step 6: Final answer
    x = 5,755,173.99

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Double scale
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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.