Home / 20,226,021.90-30,339,032.85-6,762,849.90

Finding the Fourth Proportional to 20,226,021.90, 30,339,032.85 and 6,762,849.90

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Solution

The fourth proportional to 20,226,021.90, 30,339,032.85 and 6,762,849.90 is: 10,144,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,021.90 : 30,339,032.85 = 6,762,849.90 : x
  2. Step 2: Convert to fraction form
    20,226,021.90/30,339,032.85 = 6,762,849.90/x
  3. Step 3: Cross multiply
    20,226,021.90x = 30,339,032.85 × 6,762,849.90
  4. Step 4: Simplify right side
    20,226,021.90x = 205,178,325,275,719.25
  5. Step 5: Solve for x
    x = 205,178,325,275,719.25/20,226,021.90
  6. Step 6: Final answer
    x = 10,144,274.85

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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.