Home / 15,202,435.52-20,979,369.84-8,327,032.40

Finding the Fourth Proportional to 15,202,435.52, 20,979,369.84 and 8,327,032.40

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Solution

The fourth proportional to 15,202,435.52, 20,979,369.84 and 8,327,032.40 is: 11,491,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,435.52 : 20,979,369.84 = 8,327,032.40 : x
  2. Step 2: Convert to fraction form
    15,202,435.52/20,979,369.84 = 8,327,032.40/x
  3. Step 3: Cross multiply
    15,202,435.52x = 20,979,369.84 × 8,327,032.40
  4. Step 4: Simplify right side
    15,202,435.52x = 174,695,892,389,262.81
  5. Step 5: Solve for x
    x = 174,695,892,389,262.81/15,202,435.52
  6. Step 6: Final answer
    x = 11,491,309.54

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1.5x scale

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.