Home / 13,265,845.20-19,888,182.72-7,505,024.76

Finding the Fourth Proportional to 13,265,845.20, 19,888,182.72 and 7,505,024.76

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Solution

The fourth proportional to 13,265,845.20, 19,888,182.72 and 7,505,024.76 is: 11,251,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265,845.20 : 19,888,182.72 = 7,505,024.76 : x
  2. Step 2: Convert to fraction form
    13,265,845.20/19,888,182.72 = 7,505,024.76/x
  3. Step 3: Cross multiply
    13,265,845.20x = 19,888,182.72 × 7,505,024.76
  4. Step 4: Simplify right side
    13,265,845.20x = 149,261,303,745,004.12
  5. Step 5: Solve for x
    x = 149,261,303,745,004.12/13,265,845.20
  6. Step 6: Final answer
    x = 11,251,548.73

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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.