Home / 12,954,665.40-19,431,998.10-12,765,708.60

Finding the Fourth Proportional to 12,954,665.40, 19,431,998.10 and 12,765,708.60

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Solution

The fourth proportional to 12,954,665.40, 19,431,998.10 and 12,765,708.60 is: 19,148,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,665.40 : 19,431,998.10 = 12,765,708.60 : x
  2. Step 2: Convert to fraction form
    12,954,665.40/19,431,998.10 = 12,765,708.60/x
  3. Step 3: Cross multiply
    12,954,665.40x = 19,431,998.10 × 12,765,708.60
  4. Step 4: Simplify right side
    12,954,665.40x = 248,063,225,260,353.66
  5. Step 5: Solve for x
    x = 248,063,225,260,353.66/12,954,665.40
  6. Step 6: Final answer
    x = 19,148,562.90

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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.