Home / 20,391,623.71-30,583,367.74-13,083,457.03

Finding the Fourth Proportional to 20,391,623.71, 30,583,367.74 and 13,083,457.03

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Solution

The fourth proportional to 20,391,623.71, 30,583,367.74 and 13,083,457.03 is: 19,622,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391,623.71 : 30,583,367.74 = 13,083,457.03 : x
  2. Step 2: Convert to fraction form
    20,391,623.71/30,583,367.74 = 13,083,457.03/x
  3. Step 3: Cross multiply
    20,391,623.71x = 30,583,367.74 × 13,083,457.03
  4. Step 4: Simplify right side
    20,391,623.71x = 400,136,177,598,874.12
  5. Step 5: Solve for x
    x = 400,136,177,598,874.12/20,391,623.71
  6. Step 6: Final answer
    x = 19,622,575.59

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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.