Home / 9,662,143.70-13,333,847.46-5,251,879.64

Finding the Fourth Proportional to 9,662,143.70, 13,333,847.46 and 5,251,879.64

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Solution

The fourth proportional to 9,662,143.70, 13,333,847.46 and 5,251,879.64 is: 7,247,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,143.70 : 13,333,847.46 = 5,251,879.64 : x
  2. Step 2: Convert to fraction form
    9,662,143.70/13,333,847.46 = 5,251,879.64/x
  3. Step 3: Cross multiply
    9,662,143.70x = 13,333,847.46 × 5,251,879.64
  4. Step 4: Simplify right side
    9,662,143.70x = 70,027,761,998,039.71
  5. Step 5: Solve for x
    x = 70,027,761,998,039.71/9,662,143.70
  6. Step 6: Final answer
    x = 7,247,642.36

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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.