Home / 22,102,469.92-30,280,491.80-21,274,075.32

Finding the Fourth Proportional to 22,102,469.92, 30,280,491.80 and 21,274,075.32

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Solution

The fourth proportional to 22,102,469.92, 30,280,491.80 and 21,274,075.32 is: 29,145,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102,469.92 : 30,280,491.80 = 21,274,075.32 : x
  2. Step 2: Convert to fraction form
    22,102,469.92/30,280,491.80 = 21,274,075.32/x
  3. Step 3: Cross multiply
    22,102,469.92x = 30,280,491.80 × 21,274,075.32
  4. Step 4: Simplify right side
    22,102,469.92x = 644,189,463,310,025.62
  5. Step 5: Solve for x
    x = 644,189,463,310,025.62/22,102,469.92
  6. Step 6: Final answer
    x = 29,145,587.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.