Home / 20,226,043.90-30,339,065.85-8,101,315.90

Finding the Fourth Proportional to 20,226,043.90, 30,339,065.85 and 8,101,315.90

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Solution

The fourth proportional to 20,226,043.90, 30,339,065.85 and 8,101,315.90 is: 12,151,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,043.90 : 30,339,065.85 = 8,101,315.90 : x
  2. Step 2: Convert to fraction form
    20,226,043.90/30,339,065.85 = 8,101,315.90/x
  3. Step 3: Cross multiply
    20,226,043.90x = 30,339,065.85 × 8,101,315.90
  4. Step 4: Simplify right side
    20,226,043.90x = 245,786,356,561,752.03
  5. Step 5: Solve for x
    x = 245,786,356,561,752.03/20,226,043.90
  6. Step 6: Final answer
    x = 12,151,973.85

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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.