Home / 13,503,692.15-20,255,569.35-7,783,809.27

Finding the Fourth Proportional to 13,503,692.15, 20,255,569.35 and 7,783,809.27

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Solution

The fourth proportional to 13,503,692.15, 20,255,569.35 and 7,783,809.27 is: 11,675,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,692.15 : 20,255,569.35 = 7,783,809.27 : x
  2. Step 2: Convert to fraction form
    13,503,692.15/20,255,569.35 = 7,783,809.27/x
  3. Step 3: Cross multiply
    13,503,692.15x = 20,255,569.35 × 7,783,809.27
  4. Step 4: Simplify right side
    13,503,692.15x = 157,665,488,475,657.88
  5. Step 5: Solve for x
    x = 157,665,488,475,657.88/13,503,692.15
  6. Step 6: Final answer
    x = 11,675,731.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.