Home / 5,465,139.80-8,190,711.30-4,196,679.80

Finding the Fourth Proportional to 5,465,139.80, 8,190,711.30 and 4,196,679.80

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Solution

The fourth proportional to 5,465,139.80, 8,190,711.30 and 4,196,679.80 is: 6,289,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,139.80 : 8,190,711.30 = 4,196,679.80 : x
  2. Step 2: Convert to fraction form
    5,465,139.80/8,190,711.30 = 4,196,679.80/x
  3. Step 3: Cross multiply
    5,465,139.80x = 8,190,711.30 × 4,196,679.80
  4. Step 4: Simplify right side
    5,465,139.80x = 34,373,792,660,341.74
  5. Step 5: Solve for x
    x = 34,373,792,660,341.74/5,465,139.80
  6. Step 6: Final answer
    x = 6,289,645.63

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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.