Home / 13,283,846.15-18,331,740.92-7,703,174.36

Finding the Fourth Proportional to 13,283,846.15, 18,331,740.92 and 7,703,174.36

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Solution

The fourth proportional to 13,283,846.15, 18,331,740.92 and 7,703,174.36 is: 10,630,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,846.15 : 18,331,740.92 = 7,703,174.36 : x
  2. Step 2: Convert to fraction form
    13,283,846.15/18,331,740.92 = 7,703,174.36/x
  3. Step 3: Cross multiply
    13,283,846.15x = 18,331,740.92 × 7,703,174.36
  4. Step 4: Simplify right side
    13,283,846.15x = 141,212,596,694,194.09
  5. Step 5: Solve for x
    x = 141,212,596,694,194.09/13,283,846.15
  6. Step 6: Final answer
    x = 10,630,399.90

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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.