Home / 18,388,108.53-25,375,588.54-10,657,634.85

Finding the Fourth Proportional to 18,388,108.53, 25,375,588.54 and 10,657,634.85

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Solution

The fourth proportional to 18,388,108.53, 25,375,588.54 and 10,657,634.85 is: 14,707,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,108.53 : 25,375,588.54 = 10,657,634.85 : x
  2. Step 2: Convert to fraction form
    18,388,108.53/25,375,588.54 = 10,657,634.85/x
  3. Step 3: Cross multiply
    18,388,108.53x = 25,375,588.54 × 10,657,634.85
  4. Step 4: Simplify right side
    18,388,108.53x = 270,443,756,736,520.53
  5. Step 5: Solve for x
    x = 270,443,756,736,520.53/18,388,108.53
  6. Step 6: Final answer
    x = 14,707,535.38

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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.