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Finding the Fourth Proportional to 18,314,526.80, 27,484,231.80 and 10,227,486.80

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Solution

The fourth proportional to 18,314,526.80, 27,484,231.80 and 10,227,486.80 is: 15,348,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314,526.80 : 27,484,231.80 = 10,227,486.80 : x
  2. Step 2: Convert to fraction form
    18,314,526.80/27,484,231.80 = 10,227,486.80/x
  3. Step 3: Cross multiply
    18,314,526.80x = 27,484,231.80 × 10,227,486.80
  4. Step 4: Simplify right side
    18,314,526.80x = 281,094,617,942,640.28
  5. Step 5: Solve for x
    x = 281,094,617,942,640.28/18,314,526.80
  6. Step 6: Final answer
    x = 15,348,178.03

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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.