Home / 14,227,989.12-19,615,112.10-8,998,390.80

Finding the Fourth Proportional to 14,227,989.12, 19,615,112.10 and 8,998,390.80

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Solution

The fourth proportional to 14,227,989.12, 19,615,112.10 and 8,998,390.80 is: 12,405,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227,989.12 : 19,615,112.10 = 8,998,390.80 : x
  2. Step 2: Convert to fraction form
    14,227,989.12/19,615,112.10 = 8,998,390.80/x
  3. Step 3: Cross multiply
    14,227,989.12x = 19,615,112.10 × 8,998,390.80
  4. Step 4: Simplify right side
    14,227,989.12x = 176,504,444,261,608.72
  5. Step 5: Solve for x
    x = 176,504,444,261,608.72/14,227,989.12
  6. Step 6: Final answer
    x = 12,405,438.52

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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.