Home / 6,989,990.19-10,485,591.57-2,133,391.38

Finding the Fourth Proportional to 6,989,990.19, 10,485,591.57 and 2,133,391.38

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Solution

The fourth proportional to 6,989,990.19, 10,485,591.57 and 2,133,391.38 is: 3,200,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,990.19 : 10,485,591.57 = 2,133,391.38 : x
  2. Step 2: Convert to fraction form
    6,989,990.19/10,485,591.57 = 2,133,391.38/x
  3. Step 3: Cross multiply
    6,989,990.19x = 10,485,591.57 × 2,133,391.38
  4. Step 4: Simplify right side
    6,989,990.19x = 22,369,870,669,638.67
  5. Step 5: Solve for x
    x = 22,369,870,669,638.67/6,989,990.19
  6. Step 6: Final answer
    x = 3,200,272.11

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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.