Home / 10,122,542.64-13,969,108.83-5,538,864

Finding the Fourth Proportional to 10,122,542.64, 13,969,108.83 and 5,538,864

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Solution

The fourth proportional to 10,122,542.64, 13,969,108.83 and 5,538,864 is: 7,643,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,542.64 : 13,969,108.83 = 5,538,864 : x
  2. Step 2: Convert to fraction form
    10,122,542.64/13,969,108.83 = 5,538,864/x
  3. Step 3: Cross multiply
    10,122,542.64x = 13,969,108.83 × 5,538,864
  4. Step 4: Simplify right side
    10,122,542.64x = 77,372,994,010,569.12
  5. Step 5: Solve for x
    x = 77,372,994,010,569.12/10,122,542.64
  6. Step 6: Final answer
    x = 7,643,632.31

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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.