Home / 15,343,837.29-21,174,195.02-8,374,564.89

Finding the Fourth Proportional to 15,343,837.29, 21,174,195.02 and 8,374,564.89

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Solution

The fourth proportional to 15,343,837.29, 21,174,195.02 and 8,374,564.89 is: 11,556,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343,837.29 : 21,174,195.02 = 8,374,564.89 : x
  2. Step 2: Convert to fraction form
    15,343,837.29/21,174,195.02 = 8,374,564.89/x
  3. Step 3: Cross multiply
    15,343,837.29x = 21,174,195.02 × 8,374,564.89
  4. Step 4: Simplify right side
    15,343,837.29x = 177,324,670,146,632.03
  5. Step 5: Solve for x
    x = 177,324,670,146,632.03/15,343,837.29
  6. Step 6: Final answer
    x = 11,556,735.57

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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.