Home / 18,661,050.90-27,991,576.35-10,589,790.71

Finding the Fourth Proportional to 18,661,050.90, 27,991,576.35 and 10,589,790.71

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Solution

The fourth proportional to 18,661,050.90, 27,991,576.35 and 10,589,790.71 is: 15,884,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,050.90 : 27,991,576.35 = 10,589,790.71 : x
  2. Step 2: Convert to fraction form
    18,661,050.90/27,991,576.35 = 10,589,790.71/x
  3. Step 3: Cross multiply
    18,661,050.90x = 27,991,576.35 × 10,589,790.71
  4. Step 4: Simplify right side
    18,661,050.90x = 296,424,935,259,464.69
  5. Step 5: Solve for x
    x = 296,424,935,259,464.69/18,661,050.90
  6. Step 6: Final answer
    x = 15,884,686.07

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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.