Home / 12,902,661.09-19,353,967.56-3,811,142.88

Finding the Fourth Proportional to 12,902,661.09, 19,353,967.56 and 3,811,142.88

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Solution

The fourth proportional to 12,902,661.09, 19,353,967.56 and 3,811,142.88 is: 5,716,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902,661.09 : 19,353,967.56 = 3,811,142.88 : x
  2. Step 2: Convert to fraction form
    12,902,661.09/19,353,967.56 = 3,811,142.88/x
  3. Step 3: Cross multiply
    12,902,661.09x = 19,353,967.56 × 3,811,142.88
  4. Step 4: Simplify right side
    12,902,661.09x = 73,760,735,666,044.97
  5. Step 5: Solve for x
    x = 73,760,735,666,044.97/12,902,661.09
  6. Step 6: Final answer
    x = 5,716,707.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.