Home / 7,721,439.39-11,575,007.46-2,861,037.77

Finding the Fourth Proportional to 7,721,439.39, 11,575,007.46 and 2,861,037.77

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Solution

The fourth proportional to 7,721,439.39, 11,575,007.46 and 2,861,037.77 is: 4,288,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,439.39 : 11,575,007.46 = 2,861,037.77 : x
  2. Step 2: Convert to fraction form
    7,721,439.39/11,575,007.46 = 2,861,037.77/x
  3. Step 3: Cross multiply
    7,721,439.39x = 11,575,007.46 × 2,861,037.77
  4. Step 4: Simplify right side
    7,721,439.39x = 33,116,533,473,216.73
  5. Step 5: Solve for x
    x = 33,116,533,473,216.73/7,721,439.39
  6. Step 6: Final answer
    x = 4,288,906.74

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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.