Home / 16,155,490.78-22,388,895.43-15,848,915.92

Finding the Fourth Proportional to 16,155,490.78, 22,388,895.43 and 15,848,915.92

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Solution

The fourth proportional to 16,155,490.78, 22,388,895.43 and 15,848,915.92 is: 21,964,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,155,490.78 : 22,388,895.43 = 15,848,915.92 : x
  2. Step 2: Convert to fraction form
    16,155,490.78/22,388,895.43 = 15,848,915.92/x
  3. Step 3: Cross multiply
    16,155,490.78x = 22,388,895.43 × 15,848,915.92
  4. Step 4: Simplify right side
    16,155,490.78x = 354,839,721,211,742.25
  5. Step 5: Solve for x
    x = 354,839,721,211,742.25/16,155,490.78
  6. Step 6: Final answer
    x = 21,964,032.29

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.