Home / 20,322,214.60-28,044,974.12-11,155,693

Finding the Fourth Proportional to 20,322,214.60, 28,044,974.12 and 11,155,693

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Solution

The fourth proportional to 20,322,214.60, 28,044,974.12 and 11,155,693 is: 15,395,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,214.60 : 28,044,974.12 = 11,155,693 : x
  2. Step 2: Convert to fraction form
    20,322,214.60/28,044,974.12 = 11,155,693/x
  3. Step 3: Cross multiply
    20,322,214.60x = 28,044,974.12 × 11,155,693
  4. Step 4: Simplify right side
    20,322,214.60x = 312,861,121,475,665.19
  5. Step 5: Solve for x
    x = 312,861,121,475,665.19/20,322,214.60
  6. Step 6: Final answer
    x = 15,395,030.89

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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.