Home / 21,477,067.14-29,638,240.54-11,687,581.40

Finding the Fourth Proportional to 21,477,067.14, 29,638,240.54 and 11,687,581.40

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Solution

The fourth proportional to 21,477,067.14, 29,638,240.54 and 11,687,581.40 is: 16,128,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477,067.14 : 29,638,240.54 = 11,687,581.40 : x
  2. Step 2: Convert to fraction form
    21,477,067.14/29,638,240.54 = 11,687,581.40/x
  3. Step 3: Cross multiply
    21,477,067.14x = 29,638,240.54 × 11,687,581.40
  4. Step 4: Simplify right side
    21,477,067.14x = 346,399,348,686,619.81
  5. Step 5: Solve for x
    x = 346,399,348,686,619.81/21,477,067.14
  6. Step 6: Final answer
    x = 16,128,801.31

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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.