Home / 25,161,507.72-37,686,939.66-20,794,060.68

Finding the Fourth Proportional to 25,161,507.72, 37,686,939.66 and 20,794,060.68

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Solution

The fourth proportional to 25,161,507.72, 37,686,939.66 and 20,794,060.68 is: 31,145,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161,507.72 : 37,686,939.66 = 20,794,060.68 : x
  2. Step 2: Convert to fraction form
    25,161,507.72/37,686,939.66 = 20,794,060.68/x
  3. Step 3: Cross multiply
    25,161,507.72x = 37,686,939.66 × 20,794,060.68
  4. Step 4: Simplify right side
    25,161,507.72x = 783,664,510,133,538.50
  5. Step 5: Solve for x
    x = 783,664,510,133,538.50/25,161,507.72
  6. Step 6: Final answer
    x = 31,145,371.69

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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.