Home / 20,153,009.30-30,233,450.55-8,020,408.10

Finding the Fourth Proportional to 20,153,009.30, 30,233,450.55 and 8,020,408.10

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Solution

The fourth proportional to 20,153,009.30, 30,233,450.55 and 8,020,408.10 is: 12,032,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,009.30 : 30,233,450.55 = 8,020,408.10 : x
  2. Step 2: Convert to fraction form
    20,153,009.30/30,233,450.55 = 8,020,408.10/x
  3. Step 3: Cross multiply
    20,153,009.30x = 30,233,450.55 × 8,020,408.10
  4. Step 4: Simplify right side
    20,153,009.30x = 242,484,611,682,169.44
  5. Step 5: Solve for x
    x = 242,484,611,682,169.44/20,153,009.30
  6. Step 6: Final answer
    x = 12,032,178.82

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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.