Home / 11,978,088.20-17,967,132.30-4,786,065.80

Finding the Fourth Proportional to 11,978,088.20, 17,967,132.30 and 4,786,065.80

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Solution

The fourth proportional to 11,978,088.20, 17,967,132.30 and 4,786,065.80 is: 7,179,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,088.20 : 17,967,132.30 = 4,786,065.80 : x
  2. Step 2: Convert to fraction form
    11,978,088.20/17,967,132.30 = 4,786,065.80/x
  3. Step 3: Cross multiply
    11,978,088.20x = 17,967,132.30 × 4,786,065.80
  4. Step 4: Simplify right side
    11,978,088.20x = 85,991,877,425,105.34
  5. Step 5: Solve for x
    x = 85,991,877,425,105.34/11,978,088.20
  6. Step 6: Final answer
    x = 7,179,098.70

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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.