Home / 13,162,662.95-19,727,823.04-7,393,268.72

Finding the Fourth Proportional to 13,162,662.95, 19,727,823.04 and 7,393,268.72

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Solution

The fourth proportional to 13,162,662.95, 19,727,823.04 and 7,393,268.72 is: 11,080,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,662.95 : 19,727,823.04 = 7,393,268.72 : x
  2. Step 2: Convert to fraction form
    13,162,662.95/19,727,823.04 = 7,393,268.72/x
  3. Step 3: Cross multiply
    13,162,662.95x = 19,727,823.04 × 7,393,268.72
  4. Step 4: Simplify right side
    13,162,662.95x = 145,853,097,026,163.72
  5. Step 5: Solve for x
    x = 145,853,097,026,163.72/13,162,662.95
  6. Step 6: Final answer
    x = 11,080,819.86

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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.