Home / 27,858,755.02-38,445,081.90-15,635,612.02

Finding the Fourth Proportional to 27,858,755.02, 38,445,081.90 and 15,635,612.02

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Solution

The fourth proportional to 27,858,755.02, 38,445,081.90 and 15,635,612.02 is: 21,577,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858,755.02 : 38,445,081.90 = 15,635,612.02 : x
  2. Step 2: Convert to fraction form
    27,858,755.02/38,445,081.90 = 15,635,612.02/x
  3. Step 3: Cross multiply
    27,858,755.02x = 38,445,081.90 × 15,635,612.02
  4. Step 4: Simplify right side
    27,858,755.02x = 601,112,384,665,524.38
  5. Step 5: Solve for x
    x = 601,112,384,665,524.38/27,858,755.02
  6. Step 6: Final answer
    x = 21,577,144.57

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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.