Home / 47,520,447.72-65,578,244.78-25,790,415.72

Finding the Fourth Proportional to 47,520,447.72, 65,578,244.78 and 25,790,415.72

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Solution

The fourth proportional to 47,520,447.72, 65,578,244.78 and 25,790,415.72 is: 35,590,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,520,447.72 : 65,578,244.78 = 25,790,415.72 : x
  2. Step 2: Convert to fraction form
    47,520,447.72/65,578,244.78 = 25,790,415.72/x
  3. Step 3: Cross multiply
    47,520,447.72x = 65,578,244.78 × 25,790,415.72
  4. Step 4: Simplify right side
    47,520,447.72x = 1,691,290,195,064,120
  5. Step 5: Solve for x
    x = 1,691,290,195,064,120/47,520,447.72
  6. Step 6: Final answer
    x = 35,590,788.31

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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.