Home / 25,782,163.35-38,672,683.23-12,127,741.30

Finding the Fourth Proportional to 25,782,163.35, 38,672,683.23 and 12,127,741.30

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Solution

The fourth proportional to 25,782,163.35, 38,672,683.23 and 12,127,741.30 is: 18,191,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,163.35 : 38,672,683.23 = 12,127,741.30 : x
  2. Step 2: Convert to fraction form
    25,782,163.35/38,672,683.23 = 12,127,741.30/x
  3. Step 3: Cross multiply
    25,782,163.35x = 38,672,683.23 × 12,127,741.30
  4. Step 4: Simplify right side
    25,782,163.35x = 469,012,297,684,108.25
  5. Step 5: Solve for x
    x = 469,012,297,684,108.25/25,782,163.35
  6. Step 6: Final answer
    x = 18,191,347.69

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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.