Home / 8,554,438.67-11,801,168.21-7,575,375.47

Finding the Fourth Proportional to 8,554,438.67, 11,801,168.21 and 7,575,375.47

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Solution

The fourth proportional to 8,554,438.67, 11,801,168.21 and 7,575,375.47 is: 10,450,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554,438.67 : 11,801,168.21 = 7,575,375.47 : x
  2. Step 2: Convert to fraction form
    8,554,438.67/11,801,168.21 = 7,575,375.47/x
  3. Step 3: Cross multiply
    8,554,438.67x = 11,801,168.21 × 7,575,375.47
  4. Step 4: Simplify right side
    8,554,438.67x = 89,398,280,078,495.09
  5. Step 5: Solve for x
    x = 89,398,280,078,495.09/8,554,438.67
  6. Step 6: Final answer
    x = 10,450,513.89

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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.