Home / 13,214,018.11-18,235,945.82-7,707,502.03

Finding the Fourth Proportional to 13,214,018.11, 18,235,945.82 and 7,707,502.03

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Solution

The fourth proportional to 13,214,018.11, 18,235,945.82 and 7,707,502.03 is: 10,636,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,018.11 : 18,235,945.82 = 7,707,502.03 : x
  2. Step 2: Convert to fraction form
    13,214,018.11/18,235,945.82 = 7,707,502.03/x
  3. Step 3: Cross multiply
    13,214,018.11x = 18,235,945.82 × 7,707,502.03
  4. Step 4: Simplify right side
    13,214,018.11x = 140,553,589,388,082.52
  5. Step 5: Solve for x
    x = 140,553,589,388,082.52/13,214,018.11
  6. Step 6: Final answer
    x = 10,636,703.25

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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.