Home / 12,292,286.10-18,438,429.15-3,771,515.40

Finding the Fourth Proportional to 12,292,286.10, 18,438,429.15 and 3,771,515.40

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Solution

The fourth proportional to 12,292,286.10, 18,438,429.15 and 3,771,515.40 is: 5,657,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,286.10 : 18,438,429.15 = 3,771,515.40 : x
  2. Step 2: Convert to fraction form
    12,292,286.10/18,438,429.15 = 3,771,515.40/x
  3. Step 3: Cross multiply
    12,292,286.10x = 18,438,429.15 × 3,771,515.40
  4. Step 4: Simplify right side
    12,292,286.10x = 69,540,819,491,033.91
  5. Step 5: Solve for x
    x = 69,540,819,491,033.91/12,292,286.10
  6. Step 6: Final answer
    x = 5,657,273.10

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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.