Home / 7,209,583.92-9,949,228.96-3,946,417.26

Finding the Fourth Proportional to 7,209,583.92, 9,949,228.96 and 3,946,417.26

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Solution

The fourth proportional to 7,209,583.92, 9,949,228.96 and 3,946,417.26 is: 5,446,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,583.92 : 9,949,228.96 = 3,946,417.26 : x
  2. Step 2: Convert to fraction form
    7,209,583.92/9,949,228.96 = 3,946,417.26/x
  3. Step 3: Cross multiply
    7,209,583.92x = 9,949,228.96 × 3,946,417.26
  4. Step 4: Simplify right side
    7,209,583.92x = 39,263,808,891,435.85
  5. Step 5: Solve for x
    x = 39,263,808,891,435.85/7,209,583.92
  6. Step 6: Final answer
    x = 5,446,057.54

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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.