Home / 47,885,690.78-71,828,536.79-11,494,081.05

Finding the Fourth Proportional to 47,885,690.78, 71,828,536.79 and 11,494,081.05

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Solution

The fourth proportional to 47,885,690.78, 71,828,536.79 and 11,494,081.05 is: 17,241,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,885,690.78 : 71,828,536.79 = 11,494,081.05 : x
  2. Step 2: Convert to fraction form
    47,885,690.78/71,828,536.79 = 11,494,081.05/x
  3. Step 3: Cross multiply
    47,885,690.78x = 71,828,536.79 × 11,494,081.05
  4. Step 4: Simplify right side
    47,885,690.78x = 825,603,023,567,167
  5. Step 5: Solve for x
    x = 825,603,023,567,167/47,885,690.78
  6. Step 6: Final answer
    x = 17,241,121.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.