Home / 18,136,019.20-27,204,028.80-15,774,059.20

Finding the Fourth Proportional to 18,136,019.20, 27,204,028.80 and 15,774,059.20

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Solution

The fourth proportional to 18,136,019.20, 27,204,028.80 and 15,774,059.20 is: 23,661,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136,019.20 : 27,204,028.80 = 15,774,059.20 : x
  2. Step 2: Convert to fraction form
    18,136,019.20/27,204,028.80 = 15,774,059.20/x
  3. Step 3: Cross multiply
    18,136,019.20x = 27,204,028.80 × 15,774,059.20
  4. Step 4: Simplify right side
    18,136,019.20x = 429,117,960,769,704.94
  5. Step 5: Solve for x
    x = 429,117,960,769,704.94/18,136,019.20
  6. Step 6: Final answer
    x = 23,661,088.80

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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.