Home / 7,505,691.66-10,357,870.95-4,067,931.78

Finding the Fourth Proportional to 7,505,691.66, 10,357,870.95 and 4,067,931.78

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Solution

The fourth proportional to 7,505,691.66, 10,357,870.95 and 4,067,931.78 is: 5,613,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505,691.66 : 10,357,870.95 = 4,067,931.78 : x
  2. Step 2: Convert to fraction form
    7,505,691.66/10,357,870.95 = 4,067,931.78/x
  3. Step 3: Cross multiply
    7,505,691.66x = 10,357,870.95 × 4,067,931.78
  4. Step 4: Simplify right side
    7,505,691.66x = 42,135,112,410,643.79
  5. Step 5: Solve for x
    x = 42,135,112,410,643.79/7,505,691.66
  6. Step 6: Final answer
    x = 5,613,754.78

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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.