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Finding the Fourth Proportional to 16,750,640.16, 23,109,996.78 and 10,952,815.68

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Solution

The fourth proportional to 16,750,640.16, 23,109,996.78 and 10,952,815.68 is: 15,111,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750,640.16 : 23,109,996.78 = 10,952,815.68 : x
  2. Step 2: Convert to fraction form
    16,750,640.16/23,109,996.78 = 10,952,815.68/x
  3. Step 3: Cross multiply
    16,750,640.16x = 23,109,996.78 × 10,952,815.68
  4. Step 4: Simplify right side
    16,750,640.16x = 253,119,535,096,733.53
  5. Step 5: Solve for x
    x = 253,119,535,096,733.53/16,750,640.16
  6. Step 6: Final answer
    x = 15,111,036.51

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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.