Home / 21,409,188.75-29,544,709.70-11,619,633.06

Finding the Fourth Proportional to 21,409,188.75, 29,544,709.70 and 11,619,633.06

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Solution

The fourth proportional to 21,409,188.75, 29,544,709.70 and 11,619,633.06 is: 16,035,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,188.75 : 29,544,709.70 = 11,619,633.06 : x
  2. Step 2: Convert to fraction form
    21,409,188.75/29,544,709.70 = 11,619,633.06/x
  3. Step 3: Cross multiply
    21,409,188.75x = 29,544,709.70 × 11,619,633.06
  4. Step 4: Simplify right side
    21,409,188.75x = 343,298,685,578,222.69
  5. Step 5: Solve for x
    x = 343,298,685,578,222.69/21,409,188.75
  6. Step 6: Final answer
    x = 16,035,109.48

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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.