Home / 9,195,784.38-12,690,182.52-5,121,403.38

Finding the Fourth Proportional to 9,195,784.38, 12,690,182.52 and 5,121,403.38

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Solution

The fourth proportional to 9,195,784.38, 12,690,182.52 and 5,121,403.38 is: 7,067,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,784.38 : 12,690,182.52 = 5,121,403.38 : x
  2. Step 2: Convert to fraction form
    9,195,784.38/12,690,182.52 = 5,121,403.38/x
  3. Step 3: Cross multiply
    9,195,784.38x = 12,690,182.52 × 5,121,403.38
  4. Step 4: Simplify right side
    9,195,784.38x = 64,991,543,650,744.91
  5. Step 5: Solve for x
    x = 64,991,543,650,744.91/9,195,784.38
  6. Step 6: Final answer
    x = 7,067,536.71

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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.