Home / 6,887,509.58-9,517,872.16-5,165,640.74

Finding the Fourth Proportional to 6,887,509.58, 9,517,872.16 and 5,165,640.74

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Solution

The fourth proportional to 6,887,509.58, 9,517,872.16 and 5,165,640.74 is: 7,138,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887,509.58 : 9,517,872.16 = 5,165,640.74 : x
  2. Step 2: Convert to fraction form
    6,887,509.58/9,517,872.16 = 5,165,640.74/x
  3. Step 3: Cross multiply
    6,887,509.58x = 9,517,872.16 × 5,165,640.74
  4. Step 4: Simplify right side
    6,887,509.58x = 49,165,908,187,807.80
  5. Step 5: Solve for x
    x = 49,165,908,187,807.80/6,887,509.58
  6. Step 6: Final answer
    x = 7,138,415.94

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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.