Home / 12,777,079.84-17,632,277.98-6,975,861.56

Finding the Fourth Proportional to 12,777,079.84, 17,632,277.98 and 6,975,861.56

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Solution

The fourth proportional to 12,777,079.84, 17,632,277.98 and 6,975,861.56 is: 9,626,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,079.84 : 17,632,277.98 = 6,975,861.56 : x
  2. Step 2: Convert to fraction form
    12,777,079.84/17,632,277.98 = 6,975,861.56/x
  3. Step 3: Cross multiply
    12,777,079.84x = 17,632,277.98 × 6,975,861.56
  4. Step 4: Simplify right side
    12,777,079.84x = 123,000,330,136,436.44
  5. Step 5: Solve for x
    x = 123,000,330,136,436.44/12,777,079.84
  6. Step 6: Final answer
    x = 9,626,638.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.