Home / 20,534,768.60-28,338,190.62-11,367,214.52

Finding the Fourth Proportional to 20,534,768.60, 28,338,190.62 and 11,367,214.52

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Solution

The fourth proportional to 20,534,768.60, 28,338,190.62 and 11,367,214.52 is: 15,686,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,768.60 : 28,338,190.62 = 11,367,214.52 : x
  2. Step 2: Convert to fraction form
    20,534,768.60/28,338,190.62 = 11,367,214.52/x
  3. Step 3: Cross multiply
    20,534,768.60x = 28,338,190.62 × 11,367,214.52
  4. Step 4: Simplify right side
    20,534,768.60x = 322,126,291,886,191.81
  5. Step 5: Solve for x
    x = 322,126,291,886,191.81/20,534,768.60
  6. Step 6: Final answer
    x = 15,686,872.26

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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.