Home / 21,330,453.51-29,435,816.59-11,540,682.90

Finding the Fourth Proportional to 21,330,453.51, 29,435,816.59 and 11,540,682.90

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Solution

The fourth proportional to 21,330,453.51, 29,435,816.59 and 11,540,682.90 is: 15,926,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,453.51 : 29,435,816.59 = 11,540,682.90 : x
  2. Step 2: Convert to fraction form
    21,330,453.51/29,435,816.59 = 11,540,682.90/x
  3. Step 3: Cross multiply
    21,330,453.51x = 29,435,816.59 × 11,540,682.90
  4. Step 4: Simplify right side
    21,330,453.51x = 339,709,425,138,897.62
  5. Step 5: Solve for x
    x = 339,709,425,138,897.62/21,330,453.51
  6. Step 6: Final answer
    x = 15,926,029.19

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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.