Home / 11,982,015.60-17,962,525.80-7,184,612.40

Finding the Fourth Proportional to 11,982,015.60, 17,962,525.80 and 7,184,612.40

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Solution

The fourth proportional to 11,982,015.60, 17,962,525.80 and 7,184,612.40 is: 10,770,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982,015.60 : 17,962,525.80 = 7,184,612.40 : x
  2. Step 2: Convert to fraction form
    11,982,015.60/17,962,525.80 = 7,184,612.40/x
  3. Step 3: Cross multiply
    11,982,015.60x = 17,962,525.80 × 7,184,612.40
  4. Step 4: Simplify right side
    11,982,015.60x = 129,053,785,597,999.94
  5. Step 5: Solve for x
    x = 129,053,785,597,999.94/11,982,015.60
  6. Step 6: Final answer
    x = 10,770,624.07

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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.