Home / 12,986,836.20-19,475,661.60-4,465,190.70

Finding the Fourth Proportional to 12,986,836.20, 19,475,661.60 and 4,465,190.70

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Solution

The fourth proportional to 12,986,836.20, 19,475,661.60 and 4,465,190.70 is: 6,696,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,836.20 : 19,475,661.60 = 4,465,190.70 : x
  2. Step 2: Convert to fraction form
    12,986,836.20/19,475,661.60 = 4,465,190.70/x
  3. Step 3: Cross multiply
    12,986,836.20x = 19,475,661.60 × 4,465,190.70
  4. Step 4: Simplify right side
    12,986,836.20x = 86,962,543,052,667.12
  5. Step 5: Solve for x
    x = 86,962,543,052,667.12/12,986,836.20
  6. Step 6: Final answer
    x = 6,696,206.97

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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.