Home / 13,999,062.86-19,318,283.73-7,719,586.82

Finding the Fourth Proportional to 13,999,062.86, 19,318,283.73 and 7,719,586.82

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Solution

The fourth proportional to 13,999,062.86, 19,318,283.73 and 7,719,586.82 is: 10,652,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,062.86 : 19,318,283.73 = 7,719,586.82 : x
  2. Step 2: Convert to fraction form
    13,999,062.86/19,318,283.73 = 7,719,586.82/x
  3. Step 3: Cross multiply
    13,999,062.86x = 19,318,283.73 × 7,719,586.82
  4. Step 4: Simplify right side
    13,999,062.86x = 149,129,168,467,128.44
  5. Step 5: Solve for x
    x = 149,129,168,467,128.44/13,999,062.86
  6. Step 6: Final answer
    x = 10,652,796.54

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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.