Home / 27,397,145.25-37,807,597.11-15,173,739.81

Finding the Fourth Proportional to 27,397,145.25, 37,807,597.11 and 15,173,739.81

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Solution

The fourth proportional to 27,397,145.25, 37,807,597.11 and 15,173,739.81 is: 20,939,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,397,145.25 : 37,807,597.11 = 15,173,739.81 : x
  2. Step 2: Convert to fraction form
    27,397,145.25/37,807,597.11 = 15,173,739.81/x
  3. Step 3: Cross multiply
    27,397,145.25x = 37,807,597.11 × 15,173,739.81
  4. Step 4: Simplify right side
    27,397,145.25x = 573,682,641,388,448
  5. Step 5: Solve for x
    x = 573,682,641,388,448/27,397,145.25
  6. Step 6: Final answer
    x = 20,939,504.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.