Home / 13,639,974.60-20,467,835.10-5,121,172.20

Finding the Fourth Proportional to 13,639,974.60, 20,467,835.10 and 5,121,172.20

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Solution

The fourth proportional to 13,639,974.60, 20,467,835.10 and 5,121,172.20 is: 7,684,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,974.60 : 20,467,835.10 = 5,121,172.20 : x
  2. Step 2: Convert to fraction form
    13,639,974.60/20,467,835.10 = 5,121,172.20/x
  3. Step 3: Cross multiply
    13,639,974.60x = 20,467,835.10 × 5,121,172.20
  4. Step 4: Simplify right side
    13,639,974.60x = 104,819,308,108,304.23
  5. Step 5: Solve for x
    x = 104,819,308,108,304.23/13,639,974.60
  6. Step 6: Final answer
    x = 7,684,714.32

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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.