Home / 8,792,219.20-13,188,328.80-5,432,987.20

Finding the Fourth Proportional to 8,792,219.20, 13,188,328.80 and 5,432,987.20

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Solution

The fourth proportional to 8,792,219.20, 13,188,328.80 and 5,432,987.20 is: 8,149,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792,219.20 : 13,188,328.80 = 5,432,987.20 : x
  2. Step 2: Convert to fraction form
    8,792,219.20/13,188,328.80 = 5,432,987.20/x
  3. Step 3: Cross multiply
    8,792,219.20x = 13,188,328.80 × 5,432,987.20
  4. Step 4: Simplify right side
    8,792,219.20x = 71,652,021,559,791.36
  5. Step 5: Solve for x
    x = 71,652,021,559,791.36/8,792,219.20
  6. Step 6: Final answer
    x = 8,149,480.80

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1.5x scale

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.