Home / 13,642,071.67-18,778,274.46-11,896,661.67

Finding the Fourth Proportional to 13,642,071.67, 18,778,274.46 and 11,896,661.67

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Solution

The fourth proportional to 13,642,071.67, 18,778,274.46 and 11,896,661.67 is: 16,375,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,071.67 : 18,778,274.46 = 11,896,661.67 : x
  2. Step 2: Convert to fraction form
    13,642,071.67/18,778,274.46 = 11,896,661.67/x
  3. Step 3: Cross multiply
    13,642,071.67x = 18,778,274.46 × 11,896,661.67
  4. Step 4: Simplify right side
    13,642,071.67x = 223,398,777,997,021.97
  5. Step 5: Solve for x
    x = 223,398,777,997,021.97/13,642,071.67
  6. Step 6: Final answer
    x = 16,375,722.35

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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.