Home / 15,459,469.50-21,342,350.53-11,919,534.61

Finding the Fourth Proportional to 15,459,469.50, 21,342,350.53 and 11,919,534.61

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Solution

The fourth proportional to 15,459,469.50, 21,342,350.53 and 11,919,534.61 is: 16,455,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,469.50 : 21,342,350.53 = 11,919,534.61 : x
  2. Step 2: Convert to fraction form
    15,459,469.50/21,342,350.53 = 11,919,534.61/x
  3. Step 3: Cross multiply
    15,459,469.50x = 21,342,350.53 × 11,919,534.61
  4. Step 4: Simplify right side
    15,459,469.50x = 254,390,885,801,086.84
  5. Step 5: Solve for x
    x = 254,390,885,801,086.84/15,459,469.50
  6. Step 6: Final answer
    x = 16,455,343.81

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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.