Home / 27,660,008.92-38,169,810.61-15,269,836.63

Finding the Fourth Proportional to 27,660,008.92, 38,169,810.61 and 15,269,836.63

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Solution

The fourth proportional to 27,660,008.92, 38,169,810.61 and 15,269,836.63 is: 21,071,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,660,008.92 : 38,169,810.61 = 15,269,836.63 : x
  2. Step 2: Convert to fraction form
    27,660,008.92/38,169,810.61 = 15,269,836.63/x
  3. Step 3: Cross multiply
    27,660,008.92x = 38,169,810.61 × 15,269,836.63
  4. Step 4: Simplify right side
    27,660,008.92x = 582,846,772,212,740.62
  5. Step 5: Solve for x
    x = 582,846,772,212,740.62/27,660,008.92
  6. Step 6: Final answer
    x = 21,071,821.56

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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.