Home / 18,749,992.61-28,068,953.66-11,341,620.23

Finding the Fourth Proportional to 18,749,992.61, 28,068,953.66 and 11,341,620.23

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Solution

The fourth proportional to 18,749,992.61, 28,068,953.66 and 11,341,620.23 is: 16,978,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749,992.61 : 28,068,953.66 = 11,341,620.23 : x
  2. Step 2: Convert to fraction form
    18,749,992.61/28,068,953.66 = 11,341,620.23/x
  3. Step 3: Cross multiply
    18,749,992.61x = 28,068,953.66 × 11,341,620.23
  4. Step 4: Simplify right side
    18,749,992.61x = 318,347,412,584,561.56
  5. Step 5: Solve for x
    x = 318,347,412,584,561.56/18,749,992.61
  6. Step 6: Final answer
    x = 16,978,535.36

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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.