Home / 27,857,802.69-38,441,894.29-15,467,255.78

Finding the Fourth Proportional to 27,857,802.69, 38,441,894.29 and 15,467,255.78

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Solution

The fourth proportional to 27,857,802.69, 38,441,894.29 and 15,467,255.78 is: 21,343,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857,802.69 : 38,441,894.29 = 15,467,255.78 : x
  2. Step 2: Convert to fraction form
    27,857,802.69/38,441,894.29 = 15,467,255.78/x
  3. Step 3: Cross multiply
    27,857,802.69x = 38,441,894.29 × 15,467,255.78
  4. Step 4: Simplify right side
    27,857,802.69x = 594,590,611,420,273.88
  5. Step 5: Solve for x
    x = 594,590,611,420,273.88/27,857,802.69
  6. Step 6: Final answer
    x = 21,343,772.80

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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.