Home / 20,500,634.52-28,291,466.14-11,333,867.76

Finding the Fourth Proportional to 20,500,634.52, 28,291,466.14 and 11,333,867.76

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Solution

The fourth proportional to 20,500,634.52, 28,291,466.14 and 11,333,867.76 is: 15,641,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,634.52 : 28,291,466.14 = 11,333,867.76 : x
  2. Step 2: Convert to fraction form
    20,500,634.52/28,291,466.14 = 11,333,867.76/x
  3. Step 3: Cross multiply
    20,500,634.52x = 28,291,466.14 × 11,333,867.76
  4. Step 4: Simplify right side
    20,500,634.52x = 320,651,735,938,942.94
  5. Step 5: Solve for x
    x = 320,651,735,938,942.94/20,500,634.52
  6. Step 6: Final answer
    x = 15,641,063.97

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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.