Home / 21,369,374.44-29,528,843.94-15,558,069.64

Finding the Fourth Proportional to 21,369,374.44, 29,528,843.94 and 15,558,069.64

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Solution

The fourth proportional to 21,369,374.44, 29,528,843.94 and 15,558,069.64 is: 21,498,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369,374.44 : 29,528,843.94 = 15,558,069.64 : x
  2. Step 2: Convert to fraction form
    21,369,374.44/29,528,843.94 = 15,558,069.64/x
  3. Step 3: Cross multiply
    21,369,374.44x = 29,528,843.94 × 15,558,069.64
  4. Step 4: Simplify right side
    21,369,374.44x = 459,411,810,407,212
  5. Step 5: Solve for x
    x = 459,411,810,407,212/21,369,374.44
  6. Step 6: Final answer
    x = 21,498,608.29

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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.