Home / 7,478,768.55-11,213,668.69-3,633,017.91

Finding the Fourth Proportional to 7,478,768.55, 11,213,668.69 and 3,633,017.91

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Solution

The fourth proportional to 7,478,768.55, 11,213,668.69 and 3,633,017.91 is: 5,447,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,768.55 : 11,213,668.69 = 3,633,017.91 : x
  2. Step 2: Convert to fraction form
    7,478,768.55/11,213,668.69 = 3,633,017.91/x
  3. Step 3: Cross multiply
    7,478,768.55x = 11,213,668.69 × 3,633,017.91
  4. Step 4: Simplify right side
    7,478,768.55x = 40,739,459,187,576.23
  5. Step 5: Solve for x
    x = 40,739,459,187,576.23/7,478,768.55
  6. Step 6: Final answer
    x = 5,447,348.57

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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.