Home / 7,132,999.03-9,843,557.54-3,869,813.66

Finding the Fourth Proportional to 7,132,999.03, 9,843,557.54 and 3,869,813.66

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Solution

The fourth proportional to 7,132,999.03, 9,843,557.54 and 3,869,813.66 is: 5,340,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,999.03 : 9,843,557.54 = 3,869,813.66 : x
  2. Step 2: Convert to fraction form
    7,132,999.03/9,843,557.54 = 3,869,813.66/x
  3. Step 3: Cross multiply
    7,132,999.03x = 9,843,557.54 × 3,869,813.66
  4. Step 4: Simplify right side
    7,132,999.03x = 38,092,733,362,721.14
  5. Step 5: Solve for x
    x = 38,092,733,362,721.14/7,132,999.03
  6. Step 6: Final answer
    x = 5,340,353.09

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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.