Home / 13,501,021.68-18,631,267.98-7,305,932.88

Finding the Fourth Proportional to 13,501,021.68, 18,631,267.98 and 7,305,932.88

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Solution

The fourth proportional to 13,501,021.68, 18,631,267.98 and 7,305,932.88 is: 10,082,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,021.68 : 18,631,267.98 = 7,305,932.88 : x
  2. Step 2: Convert to fraction form
    13,501,021.68/18,631,267.98 = 7,305,932.88/x
  3. Step 3: Cross multiply
    13,501,021.68x = 18,631,267.98 × 7,305,932.88
  4. Step 4: Simplify right side
    13,501,021.68x = 136,118,793,331,173.19
  5. Step 5: Solve for x
    x = 136,118,793,331,173.19/13,501,021.68
  6. Step 6: Final answer
    x = 10,082,110.57

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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.