Home / 13,893,216.41-20,835,838.78-9,660,288.85

Finding the Fourth Proportional to 13,893,216.41, 20,835,838.78 and 9,660,288.85

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Solution

The fourth proportional to 13,893,216.41, 20,835,838.78 and 9,660,288.85 is: 14,487,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893,216.41 : 20,835,838.78 = 9,660,288.85 : x
  2. Step 2: Convert to fraction form
    13,893,216.41/20,835,838.78 = 9,660,288.85/x
  3. Step 3: Cross multiply
    13,893,216.41x = 20,835,838.78 × 9,660,288.85
  4. Step 4: Simplify right side
    13,893,216.41x = 201,280,220,970,591.28
  5. Step 5: Solve for x
    x = 201,280,220,970,591.28/13,893,216.41
  6. Step 6: Final answer
    x = 14,487,661.82

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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.