Home / 20,424,243.60-30,604,872.60-17,715,862.80

Finding the Fourth Proportional to 20,424,243.60, 30,604,872.60 and 17,715,862.80

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Solution

The fourth proportional to 20,424,243.60, 30,604,872.60 and 17,715,862.80 is: 26,546,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424,243.60 : 30,604,872.60 = 17,715,862.80 : x
  2. Step 2: Convert to fraction form
    20,424,243.60/30,604,872.60 = 17,715,862.80/x
  3. Step 3: Cross multiply
    20,424,243.60x = 30,604,872.60 × 17,715,862.80
  4. Step 4: Simplify right side
    20,424,243.60x = 542,191,723,993,079.31
  5. Step 5: Solve for x
    x = 542,191,723,993,079.31/20,424,243.60
  6. Step 6: Final answer
    x = 26,546,477.54

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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.