Home / 13,785,972.72-20,669,382.96-6,105,432.24

Finding the Fourth Proportional to 13,785,972.72, 20,669,382.96 and 6,105,432.24

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Solution

The fourth proportional to 13,785,972.72, 20,669,382.96 and 6,105,432.24 is: 9,153,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,972.72 : 20,669,382.96 = 6,105,432.24 : x
  2. Step 2: Convert to fraction form
    13,785,972.72/20,669,382.96 = 6,105,432.24/x
  3. Step 3: Cross multiply
    13,785,972.72x = 20,669,382.96 × 6,105,432.24
  4. Step 4: Simplify right side
    13,785,972.72x = 126,195,517,104,890.64
  5. Step 5: Solve for x
    x = 126,195,517,104,890.64/13,785,972.72
  6. Step 6: Final answer
    x = 9,153,907.36

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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.