Home / 20,501,429.06-28,292,562.60-11,334,662.30

Finding the Fourth Proportional to 20,501,429.06, 28,292,562.60 and 11,334,662.30

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Solution

The fourth proportional to 20,501,429.06, 28,292,562.60 and 11,334,662.30 is: 15,642,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,429.06 : 28,292,562.60 = 11,334,662.30 : x
  2. Step 2: Convert to fraction form
    20,501,429.06/28,292,562.60 = 11,334,662.30/x
  3. Step 3: Cross multiply
    20,501,429.06x = 28,292,562.60 × 11,334,662.30
  4. Step 4: Simplify right side
    20,501,429.06x = 320,686,642,743,341.44
  5. Step 5: Solve for x
    x = 320,686,642,743,341.44/20,501,429.06
  6. Step 6: Final answer
    x = 15,642,160.44

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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.