Home / 7,062,742.82-9,745,949.52-4,122,815.06

Finding the Fourth Proportional to 7,062,742.82, 9,745,949.52 and 4,122,815.06

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Solution

The fourth proportional to 7,062,742.82, 9,745,949.52 and 4,122,815.06 is: 5,689,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062,742.82 : 9,745,949.52 = 4,122,815.06 : x
  2. Step 2: Convert to fraction form
    7,062,742.82/9,745,949.52 = 4,122,815.06/x
  3. Step 3: Cross multiply
    7,062,742.82x = 9,745,949.52 × 4,122,815.06
  4. Step 4: Simplify right side
    7,062,742.82x = 40,180,747,455,055.77
  5. Step 5: Solve for x
    x = 40,180,747,455,055.77/7,062,742.82
  6. Step 6: Final answer
    x = 5,689,113.77

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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.