Home / 37,012,930.85-51,079,441.05-20,493,055.78

Finding the Fourth Proportional to 37,012,930.85, 51,079,441.05 and 20,493,055.78

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Solution

The fourth proportional to 37,012,930.85, 51,079,441.05 and 20,493,055.78 is: 28,281,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,012,930.85 : 51,079,441.05 = 20,493,055.78 : x
  2. Step 2: Convert to fraction form
    37,012,930.85/51,079,441.05 = 20,493,055.78/x
  3. Step 3: Cross multiply
    37,012,930.85x = 51,079,441.05 × 20,493,055.78
  4. Step 4: Simplify right side
    37,012,930.85x = 1,046,773,834,648,871.75
  5. Step 5: Solve for x
    x = 1,046,773,834,648,871.75/37,012,930.85
  6. Step 6: Final answer
    x = 28,281,300.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.