Home / 7,877,358.71-11,811,313.59-3,612,183.83

Finding the Fourth Proportional to 7,877,358.71, 11,811,313.59 and 3,612,183.83

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Solution

The fourth proportional to 7,877,358.71, 11,811,313.59 and 3,612,183.83 is: 5,416,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,358.71 : 11,811,313.59 = 3,612,183.83 : x
  2. Step 2: Convert to fraction form
    7,877,358.71/11,811,313.59 = 3,612,183.83/x
  3. Step 3: Cross multiply
    7,877,358.71x = 11,811,313.59 × 3,612,183.83
  4. Step 4: Simplify right side
    7,877,358.71x = 42,664,635,901,800.68
  5. Step 5: Solve for x
    x = 42,664,635,901,800.68/7,877,358.71
  6. Step 6: Final answer
    x = 5,416,109.32

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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.