Home / 20,899,546.44-31,301,590.80-9,977,418.96

Finding the Fourth Proportional to 20,899,546.44, 31,301,590.80 and 9,977,418.96

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Solution

The fourth proportional to 20,899,546.44, 31,301,590.80 and 9,977,418.96 is: 14,943,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,899,546.44 : 31,301,590.80 = 9,977,418.96 : x
  2. Step 2: Convert to fraction form
    20,899,546.44/31,301,590.80 = 9,977,418.96/x
  3. Step 3: Cross multiply
    20,899,546.44x = 31,301,590.80 × 9,977,418.96
  4. Step 4: Simplify right side
    20,899,546.44x = 312,309,085,526,081.62
  5. Step 5: Solve for x
    x = 312,309,085,526,081.62/20,899,546.44
  6. Step 6: Final answer
    x = 14,943,342.74

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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.