Home / 13,301,704.88-18,356,344.61-7,190,133.38

Finding the Fourth Proportional to 13,301,704.88, 18,356,344.61 and 7,190,133.38

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Solution

The fourth proportional to 13,301,704.88, 18,356,344.61 and 7,190,133.38 is: 9,922,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,704.88 : 18,356,344.61 = 7,190,133.38 : x
  2. Step 2: Convert to fraction form
    13,301,704.88/18,356,344.61 = 7,190,133.38/x
  3. Step 3: Cross multiply
    13,301,704.88x = 18,356,344.61 × 7,190,133.38
  4. Step 4: Simplify right side
    13,301,704.88x = 131,984,566,116,918.33
  5. Step 5: Solve for x
    x = 131,984,566,116,918.33/13,301,704.88
  6. Step 6: Final answer
    x = 9,922,379.67

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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.