Home / 13,185,988.20-19,785,726.81-6,277,273.65

Finding the Fourth Proportional to 13,185,988.20, 19,785,726.81 and 6,277,273.65

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Solution

The fourth proportional to 13,185,988.20, 19,785,726.81 and 6,277,273.65 is: 9,419,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,988.20 : 19,785,726.81 = 6,277,273.65 : x
  2. Step 2: Convert to fraction form
    13,185,988.20/19,785,726.81 = 6,277,273.65/x
  3. Step 3: Cross multiply
    13,185,988.20x = 19,785,726.81 × 6,277,273.65
  4. Step 4: Simplify right side
    13,185,988.20x = 124,200,421,550,511.56
  5. Step 5: Solve for x
    x = 124,200,421,550,511.56/13,185,988.20
  6. Step 6: Final answer
    x = 9,419,121.24

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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.