Home / 36,069,782.11-49,780,909.13-20,175,750.21

Finding the Fourth Proportional to 36,069,782.11, 49,780,909.13 and 20,175,750.21

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Solution

The fourth proportional to 36,069,782.11, 49,780,909.13 and 20,175,750.21 is: 27,845,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069,782.11 : 49,780,909.13 = 20,175,750.21 : x
  2. Step 2: Convert to fraction form
    36,069,782.11/49,780,909.13 = 20,175,750.21/x
  3. Step 3: Cross multiply
    36,069,782.11x = 49,780,909.13 × 20,175,750.21
  4. Step 4: Simplify right side
    36,069,782.11x = 1,004,367,187,584,683.88
  5. Step 5: Solve for x
    x = 1,004,367,187,584,683.88/36,069,782.11
  6. Step 6: Final answer
    x = 27,845,113.80

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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.