Home / 15,239,997.93-21,025,767.81-9,040,295.80

Finding the Fourth Proportional to 15,239,997.93, 21,025,767.81 and 9,040,295.80

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Solution

The fourth proportional to 15,239,997.93, 21,025,767.81 and 9,040,295.80 is: 12,472,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239,997.93 : 21,025,767.81 = 9,040,295.80 : x
  2. Step 2: Convert to fraction form
    15,239,997.93/21,025,767.81 = 9,040,295.80/x
  3. Step 3: Cross multiply
    15,239,997.93x = 21,025,767.81 × 9,040,295.80
  4. Step 4: Simplify right side
    15,239,997.93x = 190,079,160,424,518.19
  5. Step 5: Solve for x
    x = 190,079,160,424,518.19/15,239,997.93
  6. Step 6: Final answer
    x = 12,472,387.55

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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.