Home / 13,253,636.80-19,880,455.20-6,876,344.80

Finding the Fourth Proportional to 13,253,636.80, 19,880,455.20 and 6,876,344.80

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Solution

The fourth proportional to 13,253,636.80, 19,880,455.20 and 6,876,344.80 is: 10,314,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,636.80 : 19,880,455.20 = 6,876,344.80 : x
  2. Step 2: Convert to fraction form
    13,253,636.80/19,880,455.20 = 6,876,344.80/x
  3. Step 3: Cross multiply
    13,253,636.80x = 19,880,455.20 × 6,876,344.80
  4. Step 4: Simplify right side
    13,253,636.80x = 136,704,864,736,152.95
  5. Step 5: Solve for x
    x = 136,704,864,736,152.95/13,253,636.80
  6. Step 6: Final answer
    x = 10,314,517.20

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1.5x scale

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.