Home / 30,200,858.82-45,307,209.42-12,001,661.82

Finding the Fourth Proportional to 30,200,858.82, 45,307,209.42 and 12,001,661.82

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Solution

The fourth proportional to 30,200,858.82, 45,307,209.42 and 12,001,661.82 is: 18,004,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200,858.82 : 45,307,209.42 = 12,001,661.82 : x
  2. Step 2: Convert to fraction form
    30,200,858.82/45,307,209.42 = 12,001,661.82/x
  3. Step 3: Cross multiply
    30,200,858.82x = 45,307,209.42 × 12,001,661.82
  4. Step 4: Simplify right side
    30,200,858.82x = 543,761,805,466,758.38
  5. Step 5: Solve for x
    x = 543,761,805,466,758.38/30,200,858.82
  6. Step 6: Final answer
    x = 18,004,845.78

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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.