Home / 13,979,306.30-20,956,493.55-5,457,660.80

Finding the Fourth Proportional to 13,979,306.30, 20,956,493.55 and 5,457,660.80

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Solution

The fourth proportional to 13,979,306.30, 20,956,493.55 and 5,457,660.80 is: 8,181,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,306.30 : 20,956,493.55 = 5,457,660.80 : x
  2. Step 2: Convert to fraction form
    13,979,306.30/20,956,493.55 = 5,457,660.80/x
  3. Step 3: Cross multiply
    13,979,306.30x = 20,956,493.55 × 5,457,660.80
  4. Step 4: Simplify right side
    13,979,306.30x = 114,373,433,353,287.84
  5. Step 5: Solve for x
    x = 114,373,433,353,287.84/13,979,306.30
  6. Step 6: Final answer
    x = 8,181,624.39

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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.