Home / 18,835,911.08-28,251,110.88-8,985,750.56

Finding the Fourth Proportional to 18,835,911.08, 28,251,110.88 and 8,985,750.56

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Solution

The fourth proportional to 18,835,911.08, 28,251,110.88 and 8,985,750.56 is: 13,477,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835,911.08 : 28,251,110.88 = 8,985,750.56 : x
  2. Step 2: Convert to fraction form
    18,835,911.08/28,251,110.88 = 8,985,750.56/x
  3. Step 3: Cross multiply
    18,835,911.08x = 28,251,110.88 × 8,985,750.56
  4. Step 4: Simplify right side
    18,835,911.08x = 253,857,435,410,582.09
  5. Step 5: Solve for x
    x = 253,857,435,410,582.09/18,835,911.08
  6. Step 6: Final answer
    x = 13,477,311.20

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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.