Home / 12,923,747.18-17,837,417.62-7,699,815.57

Finding the Fourth Proportional to 12,923,747.18, 17,837,417.62 and 7,699,815.57

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Solution

The fourth proportional to 12,923,747.18, 17,837,417.62 and 7,699,815.57 is: 10,627,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,747.18 : 17,837,417.62 = 7,699,815.57 : x
  2. Step 2: Convert to fraction form
    12,923,747.18/17,837,417.62 = 7,699,815.57/x
  3. Step 3: Cross multiply
    12,923,747.18x = 17,837,417.62 × 7,699,815.57
  4. Step 4: Simplify right side
    12,923,747.18x = 137,344,825,982,911.41
  5. Step 5: Solve for x
    x = 137,344,825,982,911.41/12,923,747.18
  6. Step 6: Final answer
    x = 10,627,322.25

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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.