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Finding the Fourth Proportional to 12,096,914.20, 18,172,404.90 and 10,106,258.20

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Solution

The fourth proportional to 12,096,914.20, 18,172,404.90 and 10,106,258.20 is: 15,181,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,914.20 : 18,172,404.90 = 10,106,258.20 : x
  2. Step 2: Convert to fraction form
    12,096,914.20/18,172,404.90 = 10,106,258.20/x
  3. Step 3: Cross multiply
    12,096,914.20x = 18,172,404.90 × 10,106,258.20
  4. Step 4: Simplify right side
    12,096,914.20x = 183,655,016,034,345.16
  5. Step 5: Solve for x
    x = 183,655,016,034,345.16/12,096,914.20
  6. Step 6: Final answer
    x = 15,181,972.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.