Home / 12,777,748.32-19,108,406.16-9,541,558.56

Finding the Fourth Proportional to 12,777,748.32, 19,108,406.16 and 9,541,558.56

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Solution

The fourth proportional to 12,777,748.32, 19,108,406.16 and 9,541,558.56 is: 14,268,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,748.32 : 19,108,406.16 = 9,541,558.56 : x
  2. Step 2: Convert to fraction form
    12,777,748.32/19,108,406.16 = 9,541,558.56/x
  3. Step 3: Cross multiply
    12,777,748.32x = 19,108,406.16 × 9,541,558.56
  4. Step 4: Simplify right side
    12,777,748.32x = 182,323,976,363,904.75
  5. Step 5: Solve for x
    x = 182,323,976,363,904.75/12,777,748.32
  6. Step 6: Final answer
    x = 14,268,865.83

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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.