Home / 25,152,238.80-37,728,358.20-20,113,390.80

Finding the Fourth Proportional to 25,152,238.80, 37,728,358.20 and 20,113,390.80

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Solution

The fourth proportional to 25,152,238.80, 37,728,358.20 and 20,113,390.80 is: 30,170,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152,238.80 : 37,728,358.20 = 20,113,390.80 : x
  2. Step 2: Convert to fraction form
    25,152,238.80/37,728,358.20 = 20,113,390.80/x
  3. Step 3: Cross multiply
    25,152,238.80x = 37,728,358.20 × 20,113,390.80
  4. Step 4: Simplify right side
    25,152,238.80x = 758,845,212,718,984.62
  5. Step 5: Solve for x
    x = 758,845,212,718,984.62/25,152,238.80
  6. Step 6: Final answer
    x = 30,170,086.20

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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.