Home / 12,295,919.34-18,440,659.98-3,657,692.61

Finding the Fourth Proportional to 12,295,919.34, 18,440,659.98 and 3,657,692.61

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Solution

The fourth proportional to 12,295,919.34, 18,440,659.98 and 3,657,692.61 is: 5,485,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,919.34 : 18,440,659.98 = 3,657,692.61 : x
  2. Step 2: Convert to fraction form
    12,295,919.34/18,440,659.98 = 3,657,692.61/x
  3. Step 3: Cross multiply
    12,295,919.34x = 18,440,659.98 × 3,657,692.61
  4. Step 4: Simplify right side
    12,295,919.34x = 67,450,265,732,368.75
  5. Step 5: Solve for x
    x = 67,450,265,732,368.75/12,295,919.34
  6. Step 6: Final answer
    x = 5,485,581.34

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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.