Home / 39,450,302.37-54,436,702.32-21,806,821.56

Finding the Fourth Proportional to 39,450,302.37, 54,436,702.32 and 21,806,821.56

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Solution

The fourth proportional to 39,450,302.37, 54,436,702.32 and 21,806,821.56 is: 30,090,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450,302.37 : 54,436,702.32 = 21,806,821.56 : x
  2. Step 2: Convert to fraction form
    39,450,302.37/54,436,702.32 = 21,806,821.56/x
  3. Step 3: Cross multiply
    39,450,302.37x = 54,436,702.32 × 21,806,821.56
  4. Step 4: Simplify right side
    39,450,302.37x = 1,187,091,453,807,078
  5. Step 5: Solve for x
    x = 1,187,091,453,807,078/39,450,302.37
  6. Step 6: Final answer
    x = 30,090,807.48

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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.