Home / 21,027,796.05-29,018,736.46-12,332,240.31

Finding the Fourth Proportional to 21,027,796.05, 29,018,736.46 and 12,332,240.31

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Solution

The fourth proportional to 21,027,796.05, 29,018,736.46 and 12,332,240.31 is: 17,018,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027,796.05 : 29,018,736.46 = 12,332,240.31 : x
  2. Step 2: Convert to fraction form
    21,027,796.05/29,018,736.46 = 12,332,240.31/x
  3. Step 3: Cross multiply
    21,027,796.05x = 29,018,736.46 × 12,332,240.31
  4. Step 4: Simplify right side
    21,027,796.05x = 357,866,031,517,278.75
  5. Step 5: Solve for x
    x = 357,866,031,517,278.75/21,027,796.05
  6. Step 6: Final answer
    x = 17,018,713.26

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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.