Home / 7,223,155.14-9,967,951.69-3,959,899.86

Finding the Fourth Proportional to 7,223,155.14, 9,967,951.69 and 3,959,899.86

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Solution

The fourth proportional to 7,223,155.14, 9,967,951.69 and 3,959,899.86 is: 5,464,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,155.14 : 9,967,951.69 = 3,959,899.86 : x
  2. Step 2: Convert to fraction form
    7,223,155.14/9,967,951.69 = 3,959,899.86/x
  3. Step 3: Cross multiply
    7,223,155.14x = 9,967,951.69 × 3,959,899.86
  4. Step 4: Simplify right side
    7,223,155.14x = 39,472,090,501,717.76
  5. Step 5: Solve for x
    x = 39,472,090,501,717.76/7,223,155.14
  6. Step 6: Final answer
    x = 5,464,660.49

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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.