Home / 7,780,078.24-11,671,049.28-2,388,022.48

Finding the Fourth Proportional to 7,780,078.24, 11,671,049.28 and 2,388,022.48

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Solution

The fourth proportional to 7,780,078.24, 11,671,049.28 and 2,388,022.48 is: 3,582,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,078.24 : 11,671,049.28 = 2,388,022.48 : x
  2. Step 2: Convert to fraction form
    7,780,078.24/11,671,049.28 = 2,388,022.48/x
  3. Step 3: Cross multiply
    7,780,078.24x = 11,671,049.28 × 2,388,022.48
  4. Step 4: Simplify right side
    7,780,078.24x = 27,870,728,045,827.81
  5. Step 5: Solve for x
    x = 27,870,728,045,827.81/7,780,078.24
  6. Step 6: Final answer
    x = 3,582,319.76

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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.