Home / 21,673,131.32-29,909,210.61-11,883,550.70

Finding the Fourth Proportional to 21,673,131.32, 29,909,210.61 and 11,883,550.70

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Solution

The fourth proportional to 21,673,131.32, 29,909,210.61 and 11,883,550.70 is: 16,399,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673,131.32 : 29,909,210.61 = 11,883,550.70 : x
  2. Step 2: Convert to fraction form
    21,673,131.32/29,909,210.61 = 11,883,550.70/x
  3. Step 3: Cross multiply
    21,673,131.32x = 29,909,210.61 × 11,883,550.70
  4. Step 4: Simplify right side
    21,673,131.32x = 355,427,620,800,249.25
  5. Step 5: Solve for x
    x = 355,427,620,800,249.25/21,673,131.32
  6. Step 6: Final answer
    x = 16,399,458.64

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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.