Home / 12,324,048.81-18,487,755.37-5,133,900.86

Finding the Fourth Proportional to 12,324,048.81, 18,487,755.37 and 5,133,900.86

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Solution

The fourth proportional to 12,324,048.81, 18,487,755.37 and 5,133,900.86 is: 7,701,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,048.81 : 18,487,755.37 = 5,133,900.86 : x
  2. Step 2: Convert to fraction form
    12,324,048.81/18,487,755.37 = 5,133,900.86/x
  3. Step 3: Cross multiply
    12,324,048.81x = 18,487,755.37 × 5,133,900.86
  4. Step 4: Simplify right side
    12,324,048.81x = 94,914,303,101,073.86
  5. Step 5: Solve for x
    x = 94,914,303,101,073.86/12,324,048.81
  6. Step 6: Final answer
    x = 7,701,552.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.