Home / 21,117,608.55-29,142,300.03-11,459,816.55

Finding the Fourth Proportional to 21,117,608.55, 29,142,300.03 and 11,459,816.55

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Solution

The fourth proportional to 21,117,608.55, 29,142,300.03 and 11,459,816.55 is: 15,814,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,608.55 : 29,142,300.03 = 11,459,816.55 : x
  2. Step 2: Convert to fraction form
    21,117,608.55/29,142,300.03 = 11,459,816.55/x
  3. Step 3: Cross multiply
    21,117,608.55x = 29,142,300.03 × 11,459,816.55
  4. Step 4: Simplify right side
    21,117,608.55x = 333,965,412,188,859.56
  5. Step 5: Solve for x
    x = 333,965,412,188,859.56/21,117,608.55
  6. Step 6: Final answer
    x = 15,814,546.96

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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.