Home / 18,409,857.76-27,621,520.40-8,566,615.72

Finding the Fourth Proportional to 18,409,857.76, 27,621,520.40 and 8,566,615.72

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Solution

The fourth proportional to 18,409,857.76, 27,621,520.40 and 8,566,615.72 is: 12,853,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,857.76 : 27,621,520.40 = 8,566,615.72 : x
  2. Step 2: Convert to fraction form
    18,409,857.76/27,621,520.40 = 8,566,615.72/x
  3. Step 3: Cross multiply
    18,409,857.76x = 27,621,520.40 × 8,566,615.72
  4. Step 4: Simplify right side
    18,409,857.76x = 236,622,950,868,940.69
  5. Step 5: Solve for x
    x = 236,622,950,868,940.69/18,409,857.76
  6. Step 6: Final answer
    x = 12,853,056.98

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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.