Home / 7,147,690.30-10,726,849.86-2,887,895.44

Finding the Fourth Proportional to 7,147,690.30, 10,726,849.86 and 2,887,895.44

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Solution

The fourth proportional to 7,147,690.30, 10,726,849.86 and 2,887,895.44 is: 4,333,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,690.30 : 10,726,849.86 = 2,887,895.44 : x
  2. Step 2: Convert to fraction form
    7,147,690.30/10,726,849.86 = 2,887,895.44/x
  3. Step 3: Cross multiply
    7,147,690.30x = 10,726,849.86 × 2,887,895.44
  4. Step 4: Simplify right side
    7,147,690.30x = 30,978,020,796,258.64
  5. Step 5: Solve for x
    x = 30,978,020,796,258.64/7,147,690.30
  6. Step 6: Final answer
    x = 4,333,990.35

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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.