Home / 12,101,898.20-18,127,964.10-8,319,651.80

Finding the Fourth Proportional to 12,101,898.20, 18,127,964.10 and 8,319,651.80

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Solution

The fourth proportional to 12,101,898.20, 18,127,964.10 and 8,319,651.80 is: 12,462,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,898.20 : 18,127,964.10 = 8,319,651.80 : x
  2. Step 2: Convert to fraction form
    12,101,898.20/18,127,964.10 = 8,319,651.80/x
  3. Step 3: Cross multiply
    12,101,898.20x = 18,127,964.10 × 8,319,651.80
  4. Step 4: Simplify right side
    12,101,898.20x = 150,818,349,154,900.38
  5. Step 5: Solve for x
    x = 150,818,349,154,900.38/12,101,898.20
  6. Step 6: Final answer
    x = 12,462,371.33

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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.