Home / 12,124,920.20-18,134,892.30-10,854,710.60

Finding the Fourth Proportional to 12,124,920.20, 18,134,892.30 and 10,854,710.60

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Solution

The fourth proportional to 12,124,920.20, 18,134,892.30 and 10,854,710.60 is: 16,235,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,920.20 : 18,134,892.30 = 10,854,710.60 : x
  2. Step 2: Convert to fraction form
    12,124,920.20/18,134,892.30 = 10,854,710.60/x
  3. Step 3: Cross multiply
    12,124,920.20x = 18,134,892.30 × 10,854,710.60
  4. Step 4: Simplify right side
    12,124,920.20x = 196,849,007,678,668.38
  5. Step 5: Solve for x
    x = 196,849,007,678,668.38/12,124,920.20
  6. Step 6: Final answer
    x = 16,235,076.56

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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.