Home / 5,458,117.30-8,171,429.55-4,891,246.90

Finding the Fourth Proportional to 5,458,117.30, 8,171,429.55 and 4,891,246.90

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Solution

The fourth proportional to 5,458,117.30, 8,171,429.55 and 4,891,246.90 is: 7,322,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,117.30 : 8,171,429.55 = 4,891,246.90 : x
  2. Step 2: Convert to fraction form
    5,458,117.30/8,171,429.55 = 4,891,246.90/x
  3. Step 3: Cross multiply
    5,458,117.30x = 8,171,429.55 × 4,891,246.90
  4. Step 4: Simplify right side
    5,458,117.30x = 39,968,479,455,005.90
  5. Step 5: Solve for x
    x = 39,968,479,455,005.90/5,458,117.30
  6. Step 6: Final answer
    x = 7,322,759.34

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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.