Home / 6,991,568.90-10,469,638.65-5,574,392.90

Finding the Fourth Proportional to 6,991,568.90, 10,469,638.65 and 5,574,392.90

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Solution

The fourth proportional to 6,991,568.90, 10,469,638.65 and 5,574,392.90 is: 8,347,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,568.90 : 10,469,638.65 = 5,574,392.90 : x
  2. Step 2: Convert to fraction form
    6,991,568.90/10,469,638.65 = 5,574,392.90/x
  3. Step 3: Cross multiply
    6,991,568.90x = 10,469,638.65 × 5,574,392.90
  4. Step 4: Simplify right side
    6,991,568.90x = 58,361,879,356,125.59
  5. Step 5: Solve for x
    x = 58,361,879,356,125.59/6,991,568.90
  6. Step 6: Final answer
    x = 8,347,465.38

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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.