Home / 12,074,696.30-18,133,039.65-6,405,992.30

Finding the Fourth Proportional to 12,074,696.30, 18,133,039.65 and 6,405,992.30

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Solution

The fourth proportional to 12,074,696.30, 18,133,039.65 and 6,405,992.30 is: 9,620,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,696.30 : 18,133,039.65 = 6,405,992.30 : x
  2. Step 2: Convert to fraction form
    12,074,696.30/18,133,039.65 = 6,405,992.30/x
  3. Step 3: Cross multiply
    12,074,696.30x = 18,133,039.65 × 6,405,992.30
  4. Step 4: Simplify right side
    12,074,696.30x = 116,160,112,373,494.69
  5. Step 5: Solve for x
    x = 116,160,112,373,494.69/12,074,696.30
  6. Step 6: Final answer
    x = 9,620,127.04

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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.