Home / 21,339,489.90-29,448,493.88-11,549,932.37

Finding the Fourth Proportional to 21,339,489.90, 29,448,493.88 and 11,549,932.37

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Solution

The fourth proportional to 21,339,489.90, 29,448,493.88 and 11,549,932.37 is: 15,938,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,489.90 : 29,448,493.88 = 11,549,932.37 : x
  2. Step 2: Convert to fraction form
    21,339,489.90/29,448,493.88 = 11,549,932.37/x
  3. Step 3: Cross multiply
    21,339,489.90x = 29,448,493.88 × 11,549,932.37
  4. Step 4: Simplify right side
    21,339,489.90x = 340,128,112,507,366.75
  5. Step 5: Solve for x
    x = 340,128,112,507,366.75/21,339,489.90
  6. Step 6: Final answer
    x = 15,938,905.48

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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.