Home / 12,289,932.30-18,434,898.45-12,289,932.30

Finding the Fourth Proportional to 12,289,932.30, 18,434,898.45 and 12,289,932.30

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Solution

The fourth proportional to 12,289,932.30, 18,434,898.45 and 12,289,932.30 is: 18,434,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,932.30 : 18,434,898.45 = 12,289,932.30 : x
  2. Step 2: Convert to fraction form
    12,289,932.30/18,434,898.45 = 12,289,932.30/x
  3. Step 3: Cross multiply
    12,289,932.30x = 18,434,898.45 × 12,289,932.30
  4. Step 4: Simplify right side
    12,289,932.30x = 226,563,653,907,874.94
  5. Step 5: Solve for x
    x = 226,563,653,907,874.94/12,289,932.30
  6. Step 6: Final answer
    x = 18,434,898.45

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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.