Home / 7,505,673.72-10,357,788.78-4,067,878.20

Finding the Fourth Proportional to 7,505,673.72, 10,357,788.78 and 4,067,878.20

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Solution

The fourth proportional to 7,505,673.72, 10,357,788.78 and 4,067,878.20 is: 5,613,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505,673.72 : 10,357,788.78 = 4,067,878.20 : x
  2. Step 2: Convert to fraction form
    7,505,673.72/10,357,788.78 = 4,067,878.20/x
  3. Step 3: Cross multiply
    7,505,673.72x = 10,357,788.78 × 4,067,878.20
  4. Step 4: Simplify right side
    7,505,673.72x = 42,134,223,178,366.59
  5. Step 5: Solve for x
    x = 42,134,223,178,366.59/7,505,673.72
  6. Step 6: Final answer
    x = 5,613,649.72

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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.