Home / 37,856,886.40-56,785,329.60-20,810,972.80

Finding the Fourth Proportional to 37,856,886.40, 56,785,329.60 and 20,810,972.80

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Solution

The fourth proportional to 37,856,886.40, 56,785,329.60 and 20,810,972.80 is: 31,216,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,856,886.40 : 56,785,329.60 = 20,810,972.80 : x
  2. Step 2: Convert to fraction form
    37,856,886.40/56,785,329.60 = 20,810,972.80/x
  3. Step 3: Cross multiply
    37,856,886.40x = 56,785,329.60 × 20,810,972.80
  4. Step 4: Simplify right side
    37,856,886.40x = 1,181,757,949,744,635
  5. Step 5: Solve for x
    x = 1,181,757,949,744,635/37,856,886.40
  6. Step 6: Final answer
    x = 31,216,459.20

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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.