Home / 8,788,987.20-13,183,480.80-5,387,764.80

Finding the Fourth Proportional to 8,788,987.20, 13,183,480.80 and 5,387,764.80

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Solution

The fourth proportional to 8,788,987.20, 13,183,480.80 and 5,387,764.80 is: 8,081,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,987.20 : 13,183,480.80 = 5,387,764.80 : x
  2. Step 2: Convert to fraction form
    8,788,987.20/13,183,480.80 = 5,387,764.80/x
  3. Step 3: Cross multiply
    8,788,987.20x = 13,183,480.80 × 5,387,764.80
  4. Step 4: Simplify right side
    8,788,987.20x = 71,029,493,795,715.84
  5. Step 5: Solve for x
    x = 71,029,493,795,715.84/8,788,987.20
  6. Step 6: Final answer
    x = 8,081,647.20

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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.