Home / 12,481,402.60-18,723,918.30-5,292,922.60

Finding the Fourth Proportional to 12,481,402.60, 18,723,918.30 and 5,292,922.60

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Solution

The fourth proportional to 12,481,402.60, 18,723,918.30 and 5,292,922.60 is: 7,940,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,402.60 : 18,723,918.30 = 5,292,922.60 : x
  2. Step 2: Convert to fraction form
    12,481,402.60/18,723,918.30 = 5,292,922.60/x
  3. Step 3: Cross multiply
    12,481,402.60x = 18,723,918.30 × 5,292,922.60
  4. Step 4: Simplify right side
    12,481,402.60x = 99,104,250,330,623.58
  5. Step 5: Solve for x
    x = 99,104,250,330,623.58/12,481,402.60
  6. Step 6: Final answer
    x = 7,940,153.32

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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.