Home / 20,947,759.34-28,907,454.76-12,127,582.52

Finding the Fourth Proportional to 20,947,759.34, 28,907,454.76 and 12,127,582.52

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Solution

The fourth proportional to 20,947,759.34, 28,907,454.76 and 12,127,582.52 is: 16,735,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947,759.34 : 28,907,454.76 = 12,127,582.52 : x
  2. Step 2: Convert to fraction form
    20,947,759.34/28,907,454.76 = 12,127,582.52/x
  3. Step 3: Cross multiply
    20,947,759.34x = 28,907,454.76 × 12,127,582.52
  4. Step 4: Simplify right side
    20,947,759.34x = 350,577,542,897,296.88
  5. Step 5: Solve for x
    x = 350,577,542,897,296.88/20,947,759.34
  6. Step 6: Final answer
    x = 16,735,801.54

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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.