Home / 13,331,394.37-18,398,820.50-7,530,549.81

Finding the Fourth Proportional to 13,331,394.37, 18,398,820.50 and 7,530,549.81

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Solution

The fourth proportional to 13,331,394.37, 18,398,820.50 and 7,530,549.81 is: 10,393,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,394.37 : 18,398,820.50 = 7,530,549.81 : x
  2. Step 2: Convert to fraction form
    13,331,394.37/18,398,820.50 = 7,530,549.81/x
  3. Step 3: Cross multiply
    13,331,394.37x = 18,398,820.50 × 7,530,549.81
  4. Step 4: Simplify right side
    13,331,394.37x = 138,553,234,220,499.09
  5. Step 5: Solve for x
    x = 138,553,234,220,499.09/13,331,394.37
  6. Step 6: Final answer
    x = 10,393,003.94

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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.