Home / 14,519,942.50-20,038,692.10-8,325,565.58

Finding the Fourth Proportional to 14,519,942.50, 20,038,692.10 and 8,325,565.58

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Solution

The fourth proportional to 14,519,942.50, 20,038,692.10 and 8,325,565.58 is: 11,489,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519,942.50 : 20,038,692.10 = 8,325,565.58 : x
  2. Step 2: Convert to fraction form
    14,519,942.50/20,038,692.10 = 8,325,565.58/x
  3. Step 3: Cross multiply
    14,519,942.50x = 20,038,692.10 × 8,325,565.58
  4. Step 4: Simplify right side
    14,519,942.50x = 166,833,445,215,977.94
  5. Step 5: Solve for x
    x = 166,833,445,215,977.94/14,519,942.50
  6. Step 6: Final answer
    x = 11,489,952.20

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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.