Home / 21,409,207.03-29,544,734.85-11,619,651.31

Finding the Fourth Proportional to 21,409,207.03, 29,544,734.85 and 11,619,651.31

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Solution

The fourth proportional to 21,409,207.03, 29,544,734.85 and 11,619,651.31 is: 16,035,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,207.03 : 29,544,734.85 = 11,619,651.31 : x
  2. Step 2: Convert to fraction form
    21,409,207.03/29,544,734.85 = 11,619,651.31/x
  3. Step 3: Cross multiply
    21,409,207.03x = 29,544,734.85 × 11,619,651.31
  4. Step 4: Simplify right side
    21,409,207.03x = 343,299,517,003,405.19
  5. Step 5: Solve for x
    x = 343,299,517,003,405.19/21,409,207.03
  6. Step 6: Final answer
    x = 16,035,134.63

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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.