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Finding the Fourth Proportional to 27,226,003.20, 40,839,004.80 and 12,877,096.20

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Solution

The fourth proportional to 27,226,003.20, 40,839,004.80 and 12,877,096.20 is: 19,315,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,226,003.20 : 40,839,004.80 = 12,877,096.20 : x
  2. Step 2: Convert to fraction form
    27,226,003.20/40,839,004.80 = 12,877,096.20/x
  3. Step 3: Cross multiply
    27,226,003.20x = 40,839,004.80 × 12,877,096.20
  4. Step 4: Simplify right side
    27,226,003.20x = 525,887,793,521,861.69
  5. Step 5: Solve for x
    x = 525,887,793,521,861.69/27,226,003.20
  6. Step 6: Final answer
    x = 19,315,644.30

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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.