Home / 37,855,724.20-56,783,586.30-20,807,621.80

Finding the Fourth Proportional to 37,855,724.20, 56,783,586.30 and 20,807,621.80

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Solution

The fourth proportional to 37,855,724.20, 56,783,586.30 and 20,807,621.80 is: 31,211,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855,724.20 : 56,783,586.30 = 20,807,621.80 : x
  2. Step 2: Convert to fraction form
    37,855,724.20/56,783,586.30 = 20,807,621.80/x
  3. Step 3: Cross multiply
    37,855,724.20x = 56,783,586.30 × 20,807,621.80
  4. Step 4: Simplify right side
    37,855,724.20x = 1,181,531,388,178,061.25
  5. Step 5: Solve for x
    x = 1,181,531,388,178,061.25/37,855,724.20
  6. Step 6: Final answer
    x = 31,211,432.70

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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.