Home / 12,266,435.70-18,399,653.55-12,182,454.90

Finding the Fourth Proportional to 12,266,435.70, 18,399,653.55 and 12,182,454.90

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Solution

The fourth proportional to 12,266,435.70, 18,399,653.55 and 12,182,454.90 is: 18,273,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,435.70 : 18,399,653.55 = 12,182,454.90 : x
  2. Step 2: Convert to fraction form
    12,266,435.70/18,399,653.55 = 12,182,454.90/x
  3. Step 3: Cross multiply
    12,266,435.70x = 18,399,653.55 × 12,182,454.90
  4. Step 4: Simplify right side
    12,266,435.70x = 224,152,949,548,499.91
  5. Step 5: Solve for x
    x = 224,152,949,548,499.91/12,266,435.70
  6. Step 6: Final answer
    x = 18,273,682.35

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Similar ratio
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1.5x scale

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.