Home / 12,384,210.40-18,576,315.60-3,863,439.70

Finding the Fourth Proportional to 12,384,210.40, 18,576,315.60 and 3,863,439.70

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Solution

The fourth proportional to 12,384,210.40, 18,576,315.60 and 3,863,439.70 is: 5,795,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,210.40 : 18,576,315.60 = 3,863,439.70 : x
  2. Step 2: Convert to fraction form
    12,384,210.40/18,576,315.60 = 3,863,439.70/x
  3. Step 3: Cross multiply
    12,384,210.40x = 18,576,315.60 × 3,863,439.70
  4. Step 4: Simplify right side
    12,384,210.40x = 71,768,475,168,769.33
  5. Step 5: Solve for x
    x = 71,768,475,168,769.33/12,384,210.40
  6. Step 6: Final answer
    x = 5,795,159.55

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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.