Home / 21,393,005.70-32,089,508.55-20,347,911.30

Finding the Fourth Proportional to 21,393,005.70, 32,089,508.55 and 20,347,911.30

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Solution

The fourth proportional to 21,393,005.70, 32,089,508.55 and 20,347,911.30 is: 30,521,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393,005.70 : 32,089,508.55 = 20,347,911.30 : x
  2. Step 2: Convert to fraction form
    21,393,005.70/32,089,508.55 = 20,347,911.30/x
  3. Step 3: Cross multiply
    21,393,005.70x = 32,089,508.55 × 20,347,911.30
  4. Step 4: Simplify right side
    21,393,005.70x = 652,954,473,635,991.62
  5. Step 5: Solve for x
    x = 652,954,473,635,991.62/21,393,005.70
  6. Step 6: Final answer
    x = 30,521,866.95

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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.