Home / 16,864,638.56-23,273,208.72-9,129,680.62

Finding the Fourth Proportional to 16,864,638.56, 23,273,208.72 and 9,129,680.62

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Solution

The fourth proportional to 16,864,638.56, 23,273,208.72 and 9,129,680.62 is: 12,598,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864,638.56 : 23,273,208.72 = 9,129,680.62 : x
  2. Step 2: Convert to fraction form
    16,864,638.56/23,273,208.72 = 9,129,680.62/x
  3. Step 3: Cross multiply
    16,864,638.56x = 23,273,208.72 × 9,129,680.62
  4. Step 4: Simplify right side
    16,864,638.56x = 212,476,962,616,198.97
  5. Step 5: Solve for x
    x = 212,476,962,616,198.97/16,864,638.56
  6. Step 6: Final answer
    x = 12,598,963.32

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1.5x scale

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.