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Finding the Fourth Proportional to 13,835,510.27, 20,765,858.27 and 7,364,018.10

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Solution

The fourth proportional to 13,835,510.27, 20,765,858.27 and 7,364,018.10 is: 11,052,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,510.27 : 20,765,858.27 = 7,364,018.10 : x
  2. Step 2: Convert to fraction form
    13,835,510.27/20,765,858.27 = 7,364,018.10/x
  3. Step 3: Cross multiply
    13,835,510.27x = 20,765,858.27 × 7,364,018.10
  4. Step 4: Simplify right side
    13,835,510.27x = 152,920,156,244,789.16
  5. Step 5: Solve for x
    x = 152,920,156,244,789.16/13,835,510.27
  6. Step 6: Final answer
    x = 11,052,729.77

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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.