Home / 13,283,849.15-18,331,745.07-7,703,177.37

Finding the Fourth Proportional to 13,283,849.15, 18,331,745.07 and 7,703,177.37

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Solution

The fourth proportional to 13,283,849.15, 18,331,745.07 and 7,703,177.37 is: 10,630,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283,849.15 : 18,331,745.07 = 7,703,177.37 : x
  2. Step 2: Convert to fraction form
    13,283,849.15/18,331,745.07 = 7,703,177.37/x
  3. Step 3: Cross multiply
    13,283,849.15x = 18,331,745.07 × 7,703,177.37
  4. Step 4: Simplify right side
    13,283,849.15x = 141,212,683,775,833.06
  5. Step 5: Solve for x
    x = 141,212,683,775,833.06/13,283,849.15
  6. Step 6: Final answer
    x = 10,630,404.05

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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.