Home / 25,840,149.99-35,648,203.05-15,380,300.85

Finding the Fourth Proportional to 25,840,149.99, 35,648,203.05 and 15,380,300.85

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Solution

The fourth proportional to 25,840,149.99, 35,648,203.05 and 15,380,300.85 is: 21,218,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,840,149.99 : 35,648,203.05 = 15,380,300.85 : x
  2. Step 2: Convert to fraction form
    25,840,149.99/35,648,203.05 = 15,380,300.85/x
  3. Step 3: Cross multiply
    25,840,149.99x = 35,648,203.05 × 15,380,300.85
  4. Step 4: Simplify right side
    25,840,149.99x = 548,280,087,670,887.56
  5. Step 5: Solve for x
    x = 548,280,087,670,887.56/25,840,149.99
  6. Step 6: Final answer
    x = 21,218,146.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.