Home / 12,500,867.70-18,751,301.55-11,145,693.15

Finding the Fourth Proportional to 12,500,867.70, 18,751,301.55 and 11,145,693.15

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Solution

The fourth proportional to 12,500,867.70, 18,751,301.55 and 11,145,693.15 is: 16,718,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,867.70 : 18,751,301.55 = 11,145,693.15 : x
  2. Step 2: Convert to fraction form
    12,500,867.70/18,751,301.55 = 11,145,693.15/x
  3. Step 3: Cross multiply
    12,500,867.70x = 18,751,301.55 × 11,145,693.15
  4. Step 4: Simplify right side
    12,500,867.70x = 208,996,253,239,419.41
  5. Step 5: Solve for x
    x = 208,996,253,239,419.41/12,500,867.70
  6. Step 6: Final answer
    x = 16,718,539.73

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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.