Home / 8,285,759.36-12,428,640-2,528,523.15

Finding the Fourth Proportional to 8,285,759.36, 12,428,640 and 2,528,523.15

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Solution

The fourth proportional to 8,285,759.36, 12,428,640 and 2,528,523.15 is: 3,792,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285,759.36 : 12,428,640 = 2,528,523.15 : x
  2. Step 2: Convert to fraction form
    8,285,759.36/12,428,640 = 2,528,523.15/x
  3. Step 3: Cross multiply
    8,285,759.36x = 12,428,640 × 2,528,523.15
  4. Step 4: Simplify right side
    8,285,759.36x = 31,426,103,986,319.70
  5. Step 5: Solve for x
    x = 31,426,103,986,319.70/8,285,759.36
  6. Step 6: Final answer
    x = 3,792,785.02

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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.