Home / 12,452,077.80-18,678,116.70-3,476,615.40

Finding the Fourth Proportional to 12,452,077.80, 18,678,116.70 and 3,476,615.40

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Solution

The fourth proportional to 12,452,077.80, 18,678,116.70 and 3,476,615.40 is: 5,214,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,077.80 : 18,678,116.70 = 3,476,615.40 : x
  2. Step 2: Convert to fraction form
    12,452,077.80/18,678,116.70 = 3,476,615.40/x
  3. Step 3: Cross multiply
    12,452,077.80x = 18,678,116.70 × 3,476,615.40
  4. Step 4: Simplify right side
    12,452,077.80x = 64,936,628,162,217.17
  5. Step 5: Solve for x
    x = 64,936,628,162,217.17/12,452,077.80
  6. Step 6: Final answer
    x = 5,214,923.10

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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.