Home / 13,154,906.22-18,153,843.40-7,353,932.46

Finding the Fourth Proportional to 13,154,906.22, 18,153,843.40 and 7,353,932.46

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Solution

The fourth proportional to 13,154,906.22, 18,153,843.40 and 7,353,932.46 is: 10,148,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154,906.22 : 18,153,843.40 = 7,353,932.46 : x
  2. Step 2: Convert to fraction form
    13,154,906.22/18,153,843.40 = 7,353,932.46/x
  3. Step 3: Cross multiply
    13,154,906.22x = 18,153,843.40 × 7,353,932.46
  4. Step 4: Simplify right side
    13,154,906.22x = 133,502,138,253,016.75
  5. Step 5: Solve for x
    x = 133,502,138,253,016.75/13,154,906.22
  6. Step 6: Final answer
    x = 10,148,467.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.