Home / 7,899,373.40-11,850,009.82-2,780,740.26

Finding the Fourth Proportional to 7,899,373.40, 11,850,009.82 and 2,780,740.26

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Solution

The fourth proportional to 7,899,373.40, 11,850,009.82 and 2,780,740.26 is: 4,171,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,373.40 : 11,850,009.82 = 2,780,740.26 : x
  2. Step 2: Convert to fraction form
    7,899,373.40/11,850,009.82 = 2,780,740.26/x
  3. Step 3: Cross multiply
    7,899,373.40x = 11,850,009.82 × 2,780,740.26
  4. Step 4: Simplify right side
    7,899,373.40x = 32,951,799,380,917.50
  5. Step 5: Solve for x
    x = 32,951,799,380,917.50/7,899,373.40
  6. Step 6: Final answer
    x = 4,171,444.71

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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.