Home / 7,242,125.85-10,864,500.98-3,638,824.65

Finding the Fourth Proportional to 7,242,125.85, 10,864,500.98 and 3,638,824.65

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Solution

The fourth proportional to 7,242,125.85, 10,864,500.98 and 3,638,824.65 is: 5,458,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,125.85 : 10,864,500.98 = 3,638,824.65 : x
  2. Step 2: Convert to fraction form
    7,242,125.85/10,864,500.98 = 3,638,824.65/x
  3. Step 3: Cross multiply
    7,242,125.85x = 10,864,500.98 × 3,638,824.65
  4. Step 4: Simplify right side
    7,242,125.85x = 39,534,013,957,779.03
  5. Step 5: Solve for x
    x = 39,534,013,957,779.03/7,242,125.85
  6. Step 6: Final answer
    x = 5,458,896.29

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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.