Home / 18,284,259.35-25,234,848.52-11,317,171.73

Finding the Fourth Proportional to 18,284,259.35, 25,234,848.52 and 11,317,171.73

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Solution

The fourth proportional to 18,284,259.35, 25,234,848.52 and 11,317,171.73 is: 15,619,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284,259.35 : 25,234,848.52 = 11,317,171.73 : x
  2. Step 2: Convert to fraction form
    18,284,259.35/25,234,848.52 = 11,317,171.73/x
  3. Step 3: Cross multiply
    18,284,259.35x = 25,234,848.52 × 11,317,171.73
  4. Step 4: Simplify right side
    18,284,259.35x = 285,587,114,126,909.12
  5. Step 5: Solve for x
    x = 285,587,114,126,909.12/18,284,259.35
  6. Step 6: Final answer
    x = 15,619,288.08

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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.