Home / 27,911,039.70-38,517,689.30-15,352,590.66

Finding the Fourth Proportional to 27,911,039.70, 38,517,689.30 and 15,352,590.66

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Solution

The fourth proportional to 27,911,039.70, 38,517,689.30 and 15,352,590.66 is: 21,186,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911,039.70 : 38,517,689.30 = 15,352,590.66 : x
  2. Step 2: Convert to fraction form
    27,911,039.70/38,517,689.30 = 15,352,590.66/x
  3. Step 3: Cross multiply
    27,911,039.70x = 38,517,689.30 × 15,352,590.66
  4. Step 4: Simplify right side
    27,911,039.70x = 591,346,316,770,757.62
  5. Step 5: Solve for x
    x = 591,346,316,770,757.62/27,911,039.70
  6. Step 6: Final answer
    x = 21,186,825.11

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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.