Home / 16,270,721.55-22,453,938.78-8,928,490.47

Finding the Fourth Proportional to 16,270,721.55, 22,453,938.78 and 8,928,490.47

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Solution

The fourth proportional to 16,270,721.55, 22,453,938.78 and 8,928,490.47 is: 12,321,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,270,721.55 : 22,453,938.78 = 8,928,490.47 : x
  2. Step 2: Convert to fraction form
    16,270,721.55/22,453,938.78 = 8,928,490.47/x
  3. Step 3: Cross multiply
    16,270,721.55x = 22,453,938.78 × 8,928,490.47
  4. Step 4: Simplify right side
    16,270,721.55x = 200,479,778,411,193.44
  5. Step 5: Solve for x
    x = 200,479,778,411,193.44/16,270,721.55
  6. Step 6: Final answer
    x = 12,321,505.09

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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.