Home / 27,975,072.91-38,606,792.06-15,585,159.32

Finding the Fourth Proportional to 27,975,072.91, 38,606,792.06 and 15,585,159.32

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Solution

The fourth proportional to 27,975,072.91, 38,606,792.06 and 15,585,159.32 is: 21,508,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975,072.91 : 38,606,792.06 = 15,585,159.32 : x
  2. Step 2: Convert to fraction form
    27,975,072.91/38,606,792.06 = 15,585,159.32/x
  3. Step 3: Cross multiply
    27,975,072.91x = 38,606,792.06 × 15,585,159.32
  4. Step 4: Simplify right side
    27,975,072.91x = 601,693,005,089,211
  5. Step 5: Solve for x
    x = 601,693,005,089,211/27,975,072.91
  6. Step 6: Final answer
    x = 21,508,183.63

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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.