Home / 21,409,207.86-29,544,736.06-11,619,652.15

Finding the Fourth Proportional to 21,409,207.86, 29,544,736.06 and 11,619,652.15

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Solution

The fourth proportional to 21,409,207.86, 29,544,736.06 and 11,619,652.15 is: 16,035,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,207.86 : 29,544,736.06 = 11,619,652.15 : x
  2. Step 2: Convert to fraction form
    21,409,207.86/29,544,736.06 = 11,619,652.15/x
  3. Step 3: Cross multiply
    21,409,207.86x = 29,544,736.06 × 11,619,652.15
  4. Step 4: Simplify right side
    21,409,207.86x = 343,299,555,880,761.50
  5. Step 5: Solve for x
    x = 343,299,555,880,761.50/21,409,207.86
  6. Step 6: Final answer
    x = 16,035,135.82

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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.