Home / 36,889,928.87-50,912,590.27-21,420,013.05

Finding the Fourth Proportional to 36,889,928.87, 50,912,590.27 and 21,420,013.05

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Solution

The fourth proportional to 36,889,928.87, 50,912,590.27 and 21,420,013.05 is: 29,562,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889,928.87 : 50,912,590.27 = 21,420,013.05 : x
  2. Step 2: Convert to fraction form
    36,889,928.87/50,912,590.27 = 21,420,013.05/x
  3. Step 3: Cross multiply
    36,889,928.87x = 50,912,590.27 × 21,420,013.05
  4. Step 4: Simplify right side
    36,889,928.87x = 1,090,548,347,992,703.12
  5. Step 5: Solve for x
    x = 1,090,548,347,992,703.12/36,889,928.87
  6. Step 6: Final answer
    x = 29,562,224.20

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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.