Home / 12,308,211.33-16,985,985.46-7,082,013.56

Finding the Fourth Proportional to 12,308,211.33, 16,985,985.46 and 7,082,013.56

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Solution

The fourth proportional to 12,308,211.33, 16,985,985.46 and 7,082,013.56 is: 9,773,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,211.33 : 16,985,985.46 = 7,082,013.56 : x
  2. Step 2: Convert to fraction form
    12,308,211.33/16,985,985.46 = 7,082,013.56/x
  3. Step 3: Cross multiply
    12,308,211.33x = 16,985,985.46 × 7,082,013.56
  4. Step 4: Simplify right side
    12,308,211.33x = 120,294,979,341,087.78
  5. Step 5: Solve for x
    x = 120,294,979,341,087.78/12,308,211.33
  6. Step 6: Final answer
    x = 9,773,554.91

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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.