Home / 30,162,369.69-41,628,339.59-17,112,861.45

Finding the Fourth Proportional to 30,162,369.69, 41,628,339.59 and 17,112,861.45

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Solution

The fourth proportional to 30,162,369.69, 41,628,339.59 and 17,112,861.45 is: 23,618,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162,369.69 : 41,628,339.59 = 17,112,861.45 : x
  2. Step 2: Convert to fraction form
    30,162,369.69/41,628,339.59 = 17,112,861.45/x
  3. Step 3: Cross multiply
    30,162,369.69x = 41,628,339.59 × 17,112,861.45
  4. Step 4: Simplify right side
    30,162,369.69x = 712,380,007,797,219.88
  5. Step 5: Solve for x
    x = 712,380,007,797,219.88/30,162,369.69
  6. Step 6: Final answer
    x = 23,618,171.09

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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.