Home / 7,209,496.94-9,949,120.65-3,946,520.48

Finding the Fourth Proportional to 7,209,496.94, 9,949,120.65 and 3,946,520.48

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Solution

The fourth proportional to 7,209,496.94, 9,949,120.65 and 3,946,520.48 is: 5,446,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,496.94 : 9,949,120.65 = 3,946,520.48 : x
  2. Step 2: Convert to fraction form
    7,209,496.94/9,949,120.65 = 3,946,520.48/x
  3. Step 3: Cross multiply
    7,209,496.94x = 9,949,120.65 × 3,946,520.48
  4. Step 4: Simplify right side
    7,209,496.94x = 39,264,408,353,470.31
  5. Step 5: Solve for x
    x = 39,264,408,353,470.31/7,209,496.94
  6. Step 6: Final answer
    x = 5,446,206.40

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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.