Home / 21,729,900.48-29,987,254.56-11,940,975.36

Finding the Fourth Proportional to 21,729,900.48, 29,987,254.56 and 11,940,975.36

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Solution

The fourth proportional to 21,729,900.48, 29,987,254.56 and 11,940,975.36 is: 16,478,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729,900.48 : 29,987,254.56 = 11,940,975.36 : x
  2. Step 2: Convert to fraction form
    21,729,900.48/29,987,254.56 = 11,940,975.36/x
  3. Step 3: Cross multiply
    21,729,900.48x = 29,987,254.56 × 11,940,975.36
  4. Step 4: Simplify right side
    21,729,900.48x = 358,077,067,815,007.62
  5. Step 5: Solve for x
    x = 358,077,067,815,007.62/21,729,900.48
  6. Step 6: Final answer
    x = 16,478,541.54

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1.5x scale

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.