Home / 20,522,222.70-30,763,030.05-9,720,537.90

Finding the Fourth Proportional to 20,522,222.70, 30,763,030.05 and 9,720,537.90

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Solution

The fourth proportional to 20,522,222.70, 30,763,030.05 and 9,720,537.90 is: 14,571,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,222.70 : 30,763,030.05 = 9,720,537.90 : x
  2. Step 2: Convert to fraction form
    20,522,222.70/30,763,030.05 = 9,720,537.90/x
  3. Step 3: Cross multiply
    20,522,222.70x = 30,763,030.05 × 9,720,537.90
  4. Step 4: Simplify right side
    20,522,222.70x = 299,033,199,519,863.94
  5. Step 5: Solve for x
    x = 299,033,199,519,863.94/20,522,222.70
  6. Step 6: Final answer
    x = 14,571,189.68

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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.