Home / 12,503,200.80-18,754,801.20-3,527,752.80

Finding the Fourth Proportional to 12,503,200.80, 18,754,801.20 and 3,527,752.80

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Solution

The fourth proportional to 12,503,200.80, 18,754,801.20 and 3,527,752.80 is: 5,291,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503,200.80 : 18,754,801.20 = 3,527,752.80 : x
  2. Step 2: Convert to fraction form
    12,503,200.80/18,754,801.20 = 3,527,752.80/x
  3. Step 3: Cross multiply
    12,503,200.80x = 18,754,801.20 × 3,527,752.80
  4. Step 4: Simplify right side
    12,503,200.80x = 66,162,302,446,743.35
  5. Step 5: Solve for x
    x = 66,162,302,446,743.35/12,503,200.80
  6. Step 6: Final answer
    x = 5,291,629.20

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Similar ratio
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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.