Home / 12,098,757.70-18,148,136.55-12,014,776.90

Finding the Fourth Proportional to 12,098,757.70, 18,148,136.55 and 12,014,776.90

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Solution

The fourth proportional to 12,098,757.70, 18,148,136.55 and 12,014,776.90 is: 18,022,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,757.70 : 18,148,136.55 = 12,014,776.90 : x
  2. Step 2: Convert to fraction form
    12,098,757.70/18,148,136.55 = 12,014,776.90/x
  3. Step 3: Cross multiply
    12,098,757.70x = 18,148,136.55 × 12,014,776.90
  4. Step 4: Simplify right side
    12,098,757.70x = 218,045,811,798,985.72
  5. Step 5: Solve for x
    x = 218,045,811,798,985.72/12,098,757.70
  6. Step 6: Final answer
    x = 18,022,165.35

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Similar ratio
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1.5x scale

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.