Home / 8,284,771.80-12,429,040.32-2,528,020.40

Finding the Fourth Proportional to 8,284,771.80, 12,429,040.32 and 2,528,020.40

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Solution

The fourth proportional to 8,284,771.80, 12,429,040.32 and 2,528,020.40 is: 3,792,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284,771.80 : 12,429,040.32 = 2,528,020.40 : x
  2. Step 2: Convert to fraction form
    8,284,771.80/12,429,040.32 = 2,528,020.40/x
  3. Step 3: Cross multiply
    8,284,771.80x = 12,429,040.32 × 2,528,020.40
  4. Step 4: Simplify right side
    8,284,771.80x = 31,420,867,419,237.33
  5. Step 5: Solve for x
    x = 31,420,867,419,237.33/8,284,771.80
  6. Step 6: Final answer
    x = 3,792,605.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.