Home / 27,605,746.80-41,408,620.20-18,996,402.60

Finding the Fourth Proportional to 27,605,746.80, 41,408,620.20 and 18,996,402.60

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Solution

The fourth proportional to 27,605,746.80, 41,408,620.20 and 18,996,402.60 is: 28,494,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605,746.80 : 41,408,620.20 = 18,996,402.60 : x
  2. Step 2: Convert to fraction form
    27,605,746.80/41,408,620.20 = 18,996,402.60/x
  3. Step 3: Cross multiply
    27,605,746.80x = 41,408,620.20 × 18,996,402.60
  4. Step 4: Simplify right side
    27,605,746.80x = 786,614,820,429,692.62
  5. Step 5: Solve for x
    x = 786,614,820,429,692.62/27,605,746.80
  6. Step 6: Final answer
    x = 28,494,603.90

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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.