Home / 7,377,509.52-11,066,254.16-1,986,165.72

Finding the Fourth Proportional to 7,377,509.52, 11,066,254.16 and 1,986,165.72

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Solution

The fourth proportional to 7,377,509.52, 11,066,254.16 and 1,986,165.72 is: 2,979,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377,509.52 : 11,066,254.16 = 1,986,165.72 : x
  2. Step 2: Convert to fraction form
    7,377,509.52/11,066,254.16 = 1,986,165.72/x
  3. Step 3: Cross multiply
    7,377,509.52x = 11,066,254.16 × 1,986,165.72
  4. Step 4: Simplify right side
    7,377,509.52x = 21,979,414,651,468.57
  5. Step 5: Solve for x
    x = 21,979,414,651,468.57/7,377,509.52
  6. Step 6: Final answer
    x = 2,979,245.85

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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.