Home / 21,729,845.52-29,987,088.36-11,940,261.24

Finding the Fourth Proportional to 21,729,845.52, 29,987,088.36 and 11,940,261.24

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Solution

The fourth proportional to 21,729,845.52, 29,987,088.36 and 11,940,261.24 is: 16,477,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729,845.52 : 29,987,088.36 = 11,940,261.24 : x
  2. Step 2: Convert to fraction form
    21,729,845.52/29,987,088.36 = 11,940,261.24/x
  3. Step 3: Cross multiply
    21,729,845.52x = 29,987,088.36 × 11,940,261.24
  4. Step 4: Simplify right side
    21,729,845.52x = 358,053,668,845,363.19
  5. Step 5: Solve for x
    x = 358,053,668,845,363.19/21,729,845.52
  6. Step 6: Final answer
    x = 16,477,506.41

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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.