Home / 7,119,423.66-9,824,804.97-3,856,238.39

Finding the Fourth Proportional to 7,119,423.66, 9,824,804.97 and 3,856,238.39

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Solution

The fourth proportional to 7,119,423.66, 9,824,804.97 and 3,856,238.39 is: 5,321,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,423.66 : 9,824,804.97 = 3,856,238.39 : x
  2. Step 2: Convert to fraction form
    7,119,423.66/9,824,804.97 = 3,856,238.39/x
  3. Step 3: Cross multiply
    7,119,423.66x = 9,824,804.97 × 3,856,238.39
  4. Step 4: Simplify right side
    7,119,423.66x = 37,886,790,076,104.73
  5. Step 5: Solve for x
    x = 37,886,790,076,104.73/7,119,423.66
  6. Step 6: Final answer
    x = 5,321,609.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.