Home / 12,923,749.19-17,837,420.38-7,699,817.57

Finding the Fourth Proportional to 12,923,749.19, 17,837,420.38 and 7,699,817.57

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Solution

The fourth proportional to 12,923,749.19, 17,837,420.38 and 7,699,817.57 is: 10,627,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,749.19 : 17,837,420.38 = 7,699,817.57 : x
  2. Step 2: Convert to fraction form
    12,923,749.19/17,837,420.38 = 7,699,817.57/x
  3. Step 3: Cross multiply
    12,923,749.19x = 17,837,420.38 × 7,699,817.57
  4. Step 4: Simplify right side
    12,923,749.19x = 137,344,882,736,963.45
  5. Step 5: Solve for x
    x = 137,344,882,736,963.45/12,923,749.19
  6. Step 6: Final answer
    x = 10,627,324.99

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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.