Home / 7,523,999.80-11,285,999.70-5,413,982.20

Finding the Fourth Proportional to 7,523,999.80, 11,285,999.70 and 5,413,982.20

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Solution

The fourth proportional to 7,523,999.80, 11,285,999.70 and 5,413,982.20 is: 8,120,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523,999.80 : 11,285,999.70 = 5,413,982.20 : x
  2. Step 2: Convert to fraction form
    7,523,999.80/11,285,999.70 = 5,413,982.20/x
  3. Step 3: Cross multiply
    7,523,999.80x = 11,285,999.70 × 5,413,982.20
  4. Step 4: Simplify right side
    7,523,999.80x = 61,102,201,485,005.34
  5. Step 5: Solve for x
    x = 61,102,201,485,005.34/7,523,999.80
  6. Step 6: Final answer
    x = 8,120,973.30

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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.