Home / 37,855,725.20-56,783,587.80-20,807,622.80

Finding the Fourth Proportional to 37,855,725.20, 56,783,587.80 and 20,807,622.80

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Solution

The fourth proportional to 37,855,725.20, 56,783,587.80 and 20,807,622.80 is: 31,211,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855,725.20 : 56,783,587.80 = 20,807,622.80 : x
  2. Step 2: Convert to fraction form
    37,855,725.20/56,783,587.80 = 20,807,622.80/x
  3. Step 3: Cross multiply
    37,855,725.20x = 56,783,587.80 × 20,807,622.80
  4. Step 4: Simplify right side
    37,855,725.20x = 1,181,531,476,173,081.75
  5. Step 5: Solve for x
    x = 1,181,531,476,173,081.75/37,855,725.20
  6. Step 6: Final answer
    x = 31,211,434.20

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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.