Home / 20,289,640.30-27,996,714.17-12,338,126.26

Finding the Fourth Proportional to 20,289,640.30, 27,996,714.17 and 12,338,126.26

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Solution

The fourth proportional to 20,289,640.30, 27,996,714.17 and 12,338,126.26 is: 17,024,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,640.30 : 27,996,714.17 = 12,338,126.26 : x
  2. Step 2: Convert to fraction form
    20,289,640.30/27,996,714.17 = 12,338,126.26/x
  3. Step 3: Cross multiply
    20,289,640.30x = 27,996,714.17 × 12,338,126.26
  4. Step 4: Simplify right side
    20,289,640.30x = 345,426,994,294,591.12
  5. Step 5: Solve for x
    x = 345,426,994,294,591.12/20,289,640.30
  6. Step 6: Final answer
    x = 17,024,796.36

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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.