Home / 21,339,490.90-29,448,495.25-11,549,933.37

Finding the Fourth Proportional to 21,339,490.90, 29,448,495.25 and 11,549,933.37

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Solution

The fourth proportional to 21,339,490.90, 29,448,495.25 and 11,549,933.37 is: 15,938,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,490.90 : 29,448,495.25 = 11,549,933.37 : x
  2. Step 2: Convert to fraction form
    21,339,490.90/29,448,495.25 = 11,549,933.37/x
  3. Step 3: Cross multiply
    21,339,490.90x = 29,448,495.25 × 11,549,933.37
  4. Step 4: Simplify right side
    21,339,490.90x = 340,128,157,984,261.44
  5. Step 5: Solve for x
    x = 340,128,157,984,261.44/21,339,490.90
  6. Step 6: Final answer
    x = 15,938,906.86

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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.