Home / 21,212,730.84-29,247,886.20-16,504,495.32

Finding the Fourth Proportional to 21,212,730.84, 29,247,886.20 and 16,504,495.32

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Solution

The fourth proportional to 21,212,730.84, 29,247,886.20 and 16,504,495.32 is: 22,756,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,212,730.84 : 29,247,886.20 = 16,504,495.32 : x
  2. Step 2: Convert to fraction form
    21,212,730.84/29,247,886.20 = 16,504,495.32/x
  3. Step 3: Cross multiply
    21,212,730.84x = 29,247,886.20 × 16,504,495.32
  4. Step 4: Simplify right side
    21,212,730.84x = 482,721,600,907,792.56
  5. Step 5: Solve for x
    x = 482,721,600,907,792.56/21,212,730.84
  6. Step 6: Final answer
    x = 22,756,221.47

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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.