Home / 13,375,949.10-20,057,603.45-5,182,429.80

Finding the Fourth Proportional to 13,375,949.10, 20,057,603.45 and 5,182,429.80

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Solution

The fourth proportional to 13,375,949.10, 20,057,603.45 and 5,182,429.80 is: 7,771,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,949.10 : 20,057,603.45 = 5,182,429.80 : x
  2. Step 2: Convert to fraction form
    13,375,949.10/20,057,603.45 = 5,182,429.80/x
  3. Step 3: Cross multiply
    13,375,949.10x = 20,057,603.45 × 5,182,429.80
  4. Step 4: Simplify right side
    13,375,949.10x = 103,947,121,864,244.16
  5. Step 5: Solve for x
    x = 103,947,121,864,244.16/13,375,949.10
  6. Step 6: Final answer
    x = 7,771,195.98

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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.