Home / 12,325,586.40-18,452,950.20-7,542,617.40

Finding the Fourth Proportional to 12,325,586.40, 18,452,950.20 and 7,542,617.40

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Solution

The fourth proportional to 12,325,586.40, 18,452,950.20 and 7,542,617.40 is: 11,292,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325,586.40 : 18,452,950.20 = 7,542,617.40 : x
  2. Step 2: Convert to fraction form
    12,325,586.40/18,452,950.20 = 7,542,617.40/x
  3. Step 3: Cross multiply
    12,325,586.40x = 18,452,950.20 × 7,542,617.40
  4. Step 4: Simplify right side
    12,325,586.40x = 139,183,543,259,853.48
  5. Step 5: Solve for x
    x = 139,183,543,259,853.48/12,325,586.40
  6. Step 6: Final answer
    x = 11,292,245.15

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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.