Home / 37,628,986.80-56,443,480.20-12,072,579.60

Finding the Fourth Proportional to 37,628,986.80, 56,443,480.20 and 12,072,579.60

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Solution

The fourth proportional to 37,628,986.80, 56,443,480.20 and 12,072,579.60 is: 18,108,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628,986.80 : 56,443,480.20 = 12,072,579.60 : x
  2. Step 2: Convert to fraction form
    37,628,986.80/56,443,480.20 = 12,072,579.60/x
  3. Step 3: Cross multiply
    37,628,986.80x = 56,443,480.20 × 12,072,579.60
  4. Step 4: Simplify right side
    37,628,986.80x = 681,418,407,615,523.88
  5. Step 5: Solve for x
    x = 681,418,407,615,523.88/37,628,986.80
  6. Step 6: Final answer
    x = 18,108,869.40

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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.