Home / 30,582,480.80-45,873,721.20-10,387,722.80

Finding the Fourth Proportional to 30,582,480.80, 45,873,721.20 and 10,387,722.80

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Solution

The fourth proportional to 30,582,480.80, 45,873,721.20 and 10,387,722.80 is: 15,581,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582,480.80 : 45,873,721.20 = 10,387,722.80 : x
  2. Step 2: Convert to fraction form
    30,582,480.80/45,873,721.20 = 10,387,722.80/x
  3. Step 3: Cross multiply
    30,582,480.80x = 45,873,721.20 × 10,387,722.80
  4. Step 4: Simplify right side
    30,582,480.80x = 476,523,499,630,083.44
  5. Step 5: Solve for x
    x = 476,523,499,630,083.44/30,582,480.80
  6. Step 6: Final answer
    x = 15,581,584.20

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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.