Home / 25,092,145.20-37,638,217.80-13,613,019.60

Finding the Fourth Proportional to 25,092,145.20, 37,638,217.80 and 13,613,019.60

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Solution

The fourth proportional to 25,092,145.20, 37,638,217.80 and 13,613,019.60 is: 20,419,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,092,145.20 : 37,638,217.80 = 13,613,019.60 : x
  2. Step 2: Convert to fraction form
    25,092,145.20/37,638,217.80 = 13,613,019.60/x
  3. Step 3: Cross multiply
    25,092,145.20x = 37,638,217.80 × 13,613,019.60
  4. Step 4: Simplify right side
    25,092,145.20x = 512,369,796,620,468.81
  5. Step 5: Solve for x
    x = 512,369,796,620,468.81/25,092,145.20
  6. Step 6: Final answer
    x = 20,419,529.40

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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.