Home / 13,658,376.31-18,848,331.64-7,463,286.93

Finding the Fourth Proportional to 13,658,376.31, 18,848,331.64 and 7,463,286.93

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Solution

The fourth proportional to 13,658,376.31, 18,848,331.64 and 7,463,286.93 is: 10,299,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,376.31 : 18,848,331.64 = 7,463,286.93 : x
  2. Step 2: Convert to fraction form
    13,658,376.31/18,848,331.64 = 7,463,286.93/x
  3. Step 3: Cross multiply
    13,658,376.31x = 18,848,331.64 × 7,463,286.93
  4. Step 4: Simplify right side
    13,658,376.31x = 140,670,507,181,117.47
  5. Step 5: Solve for x
    x = 140,670,507,181,117.47/13,658,376.31
  6. Step 6: Final answer
    x = 10,299,211.56

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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.