Home / 36,394,683.90-54,521,167.05-20,191,638.30

Finding the Fourth Proportional to 36,394,683.90, 54,521,167.05 and 20,191,638.30

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Solution

The fourth proportional to 36,394,683.90, 54,521,167.05 and 20,191,638.30 is: 30,248,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,394,683.90 : 54,521,167.05 = 20,191,638.30 : x
  2. Step 2: Convert to fraction form
    36,394,683.90/54,521,167.05 = 20,191,638.30/x
  3. Step 3: Cross multiply
    36,394,683.90x = 54,521,167.05 × 20,191,638.30
  4. Step 4: Simplify right side
    36,394,683.90x = 1,100,871,684,767,478
  5. Step 5: Solve for x
    x = 1,100,871,684,767,478/36,394,683.90
  6. Step 6: Final answer
    x = 30,248,145.25

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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.