Home / 13,347,485.56-18,419,675.18-7,841,092.48

Finding the Fourth Proportional to 13,347,485.56, 18,419,675.18 and 7,841,092.48

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Solution

The fourth proportional to 13,347,485.56, 18,419,675.18 and 7,841,092.48 is: 10,820,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,485.56 : 18,419,675.18 = 7,841,092.48 : x
  2. Step 2: Convert to fraction form
    13,347,485.56/18,419,675.18 = 7,841,092.48/x
  3. Step 3: Cross multiply
    13,347,485.56x = 18,419,675.18 × 7,841,092.48
  4. Step 4: Simplify right side
    13,347,485.56x = 144,430,376,537,940.66
  5. Step 5: Solve for x
    x = 144,430,376,537,940.66/13,347,485.56
  6. Step 6: Final answer
    x = 10,820,792.87

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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.