Home / 13,268,072.70-19,901,149.20-4,172,772.06

Finding the Fourth Proportional to 13,268,072.70, 19,901,149.20 and 4,172,772.06

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Solution

The fourth proportional to 13,268,072.70, 19,901,149.20 and 4,172,772.06 is: 6,258,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,072.70 : 19,901,149.20 = 4,172,772.06 : x
  2. Step 2: Convert to fraction form
    13,268,072.70/19,901,149.20 = 4,172,772.06/x
  3. Step 3: Cross multiply
    13,268,072.70x = 19,901,149.20 × 4,172,772.06
  4. Step 4: Simplify right side
    13,268,072.70x = 83,042,959,343,651.34
  5. Step 5: Solve for x
    x = 83,042,959,343,651.34/13,268,072.70
  6. Step 6: Final answer
    x = 6,258,856.22

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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.