Home / 27,732,672.86-38,270,957.91-15,509,578.46

Finding the Fourth Proportional to 27,732,672.86, 38,270,957.91 and 15,509,578.46

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Solution

The fourth proportional to 27,732,672.86, 38,270,957.91 and 15,509,578.46 is: 21,403,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732,672.86 : 38,270,957.91 = 15,509,578.46 : x
  2. Step 2: Convert to fraction form
    27,732,672.86/38,270,957.91 = 15,509,578.46/x
  3. Step 3: Cross multiply
    27,732,672.86x = 38,270,957.91 × 15,509,578.46
  4. Step 4: Simplify right side
    27,732,672.86x = 593,566,424,444,502.62
  5. Step 5: Solve for x
    x = 593,566,424,444,502.62/27,732,672.86
  6. Step 6: Final answer
    x = 21,403,145.22

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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.