Home / 7,438,746.38-11,162,424.46-3,120,409.85

Finding the Fourth Proportional to 7,438,746.38, 11,162,424.46 and 3,120,409.85

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Solution

The fourth proportional to 7,438,746.38, 11,162,424.46 and 3,120,409.85 is: 4,682,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,746.38 : 11,162,424.46 = 3,120,409.85 : x
  2. Step 2: Convert to fraction form
    7,438,746.38/11,162,424.46 = 3,120,409.85/x
  3. Step 3: Cross multiply
    7,438,746.38x = 11,162,424.46 × 3,120,409.85
  4. Step 4: Simplify right side
    7,438,746.38x = 34,831,339,271,285.51
  5. Step 5: Solve for x
    x = 34,831,339,271,285.51/7,438,746.38
  6. Step 6: Final answer
    x = 4,682,420.60

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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.