Home / 12,302,438.80-18,453,658.20-5,111,582.80

Finding the Fourth Proportional to 12,302,438.80, 18,453,658.20 and 5,111,582.80

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Solution

The fourth proportional to 12,302,438.80, 18,453,658.20 and 5,111,582.80 is: 7,667,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,438.80 : 18,453,658.20 = 5,111,582.80 : x
  2. Step 2: Convert to fraction form
    12,302,438.80/18,453,658.20 = 5,111,582.80/x
  3. Step 3: Cross multiply
    12,302,438.80x = 18,453,658.20 × 5,111,582.80
  4. Step 4: Simplify right side
    12,302,438.80x = 94,327,401,852,198.95
  5. Step 5: Solve for x
    x = 94,327,401,852,198.95/12,302,438.80
  6. Step 6: Final answer
    x = 7,667,374.20

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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.