Home / 6,912,000.30-10,368,000.45-1,863,821.10

Finding the Fourth Proportional to 6,912,000.30, 10,368,000.45 and 1,863,821.10

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Solution

The fourth proportional to 6,912,000.30, 10,368,000.45 and 1,863,821.10 is: 2,795,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,000.30 : 10,368,000.45 = 1,863,821.10 : x
  2. Step 2: Convert to fraction form
    6,912,000.30/10,368,000.45 = 1,863,821.10/x
  3. Step 3: Cross multiply
    6,912,000.30x = 10,368,000.45 × 1,863,821.10
  4. Step 4: Simplify right side
    6,912,000.30x = 19,324,098,003,519.50
  5. Step 5: Solve for x
    x = 19,324,098,003,519.50/6,912,000.30
  6. Step 6: Final answer
    x = 2,795,731.65

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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.