Home / 13,619,527.13-18,794,791.83-7,424,437.14

Finding the Fourth Proportional to 13,619,527.13, 18,794,791.83 and 7,424,437.14

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Solution

The fourth proportional to 13,619,527.13, 18,794,791.83 and 7,424,437.14 is: 10,245,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,527.13 : 18,794,791.83 = 7,424,437.14 : x
  2. Step 2: Convert to fraction form
    13,619,527.13/18,794,791.83 = 7,424,437.14/x
  3. Step 3: Cross multiply
    13,619,527.13x = 18,794,791.83 × 7,424,437.14
  4. Step 4: Simplify right side
    13,619,527.13x = 139,540,750,501,220.55
  5. Step 5: Solve for x
    x = 139,540,750,501,220.55/13,619,527.13
  6. Step 6: Final answer
    x = 10,245,638.43

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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.