Home / 30,560,997.76-45,787,685.46-28,740,479.80

Finding the Fourth Proportional to 30,560,997.76, 45,787,685.46 and 28,740,479.80

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Solution

The fourth proportional to 30,560,997.76, 45,787,685.46 and 28,740,479.80 is: 43,060,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560,997.76 : 45,787,685.46 = 28,740,479.80 : x
  2. Step 2: Convert to fraction form
    30,560,997.76/45,787,685.46 = 28,740,479.80/x
  3. Step 3: Cross multiply
    30,560,997.76x = 45,787,685.46 × 28,740,479.80
  4. Step 4: Simplify right side
    30,560,997.76x = 1,315,960,049,051,883.75
  5. Step 5: Solve for x
    x = 1,315,960,049,051,883.75/30,560,997.76
  6. Step 6: Final answer
    x = 43,060,114.05

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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.