Home / 7,738,703.69-11,609,705.90-2,620,954.53

Finding the Fourth Proportional to 7,738,703.69, 11,609,705.90 and 2,620,954.53

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Solution

The fourth proportional to 7,738,703.69, 11,609,705.90 and 2,620,954.53 is: 3,931,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,703.69 : 11,609,705.90 = 2,620,954.53 : x
  2. Step 2: Convert to fraction form
    7,738,703.69/11,609,705.90 = 2,620,954.53/x
  3. Step 3: Cross multiply
    7,738,703.69x = 11,609,705.90 × 2,620,954.53
  4. Step 4: Simplify right side
    7,738,703.69x = 30,428,511,277,125.11
  5. Step 5: Solve for x
    x = 30,428,511,277,125.11/7,738,703.69
  6. Step 6: Final answer
    x = 3,931,990.75

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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.