Home / 27,047,889.12-40,558,990.32-15,691,818.72

Finding the Fourth Proportional to 27,047,889.12, 40,558,990.32 and 15,691,818.72

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Solution

The fourth proportional to 27,047,889.12, 40,558,990.32 and 15,691,818.72 is: 23,530,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047,889.12 : 40,558,990.32 = 15,691,818.72 : x
  2. Step 2: Convert to fraction form
    27,047,889.12/40,558,990.32 = 15,691,818.72/x
  3. Step 3: Cross multiply
    27,047,889.12x = 40,558,990.32 × 15,691,818.72
  4. Step 4: Simplify right side
    27,047,889.12x = 636,444,323,567,674.88
  5. Step 5: Solve for x
    x = 636,444,323,567,674.88/27,047,889.12
  6. Step 6: Final answer
    x = 23,530,277.01

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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.