Home / 12,792,804.24-17,652,364.38-8,215,325.76

Finding the Fourth Proportional to 12,792,804.24, 17,652,364.38 and 8,215,325.76

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Solution

The fourth proportional to 12,792,804.24, 17,652,364.38 and 8,215,325.76 is: 11,336,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,804.24 : 17,652,364.38 = 8,215,325.76 : x
  2. Step 2: Convert to fraction form
    12,792,804.24/17,652,364.38 = 8,215,325.76/x
  3. Step 3: Cross multiply
    12,792,804.24x = 17,652,364.38 × 8,215,325.76
  4. Step 4: Simplify right side
    12,792,804.24x = 145,019,923,815,920.41
  5. Step 5: Solve for x
    x = 145,019,923,815,920.41/12,792,804.24
  6. Step 6: Final answer
    x = 11,336,054.32

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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.