Home / 25,782,163.60-38,672,683.61-12,127,741.55

Finding the Fourth Proportional to 25,782,163.60, 38,672,683.61 and 12,127,741.55

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Solution

The fourth proportional to 25,782,163.60, 38,672,683.61 and 12,127,741.55 is: 18,191,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,163.60 : 38,672,683.61 = 12,127,741.55 : x
  2. Step 2: Convert to fraction form
    25,782,163.60/38,672,683.61 = 12,127,741.55/x
  3. Step 3: Cross multiply
    25,782,163.60x = 38,672,683.61 × 12,127,741.55
  4. Step 4: Simplify right side
    25,782,163.60x = 469,012,311,933,363.38
  5. Step 5: Solve for x
    x = 469,012,311,933,363.38/25,782,163.60
  6. Step 6: Final answer
    x = 18,191,348.07

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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.