Home / 18,409,856.76-27,621,518.90-8,566,614.72

Finding the Fourth Proportional to 18,409,856.76, 27,621,518.90 and 8,566,614.72

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Solution

The fourth proportional to 18,409,856.76, 27,621,518.90 and 8,566,614.72 is: 12,853,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,856.76 : 27,621,518.90 = 8,566,614.72 : x
  2. Step 2: Convert to fraction form
    18,409,856.76/27,621,518.90 = 8,566,614.72/x
  3. Step 3: Cross multiply
    18,409,856.76x = 27,621,518.90 × 8,566,614.72
  4. Step 4: Simplify right side
    18,409,856.76x = 236,622,910,397,498.22
  5. Step 5: Solve for x
    x = 236,622,910,397,498.22/18,409,856.76
  6. Step 6: Final answer
    x = 12,853,055.48

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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.