Home / 21,574,198.32-32,361,453-5,400,429.36

Finding the Fourth Proportional to 21,574,198.32, 32,361,453 and 5,400,429.36

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Solution

The fourth proportional to 21,574,198.32, 32,361,453 and 5,400,429.36 is: 8,100,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,198.32 : 32,361,453 = 5,400,429.36 : x
  2. Step 2: Convert to fraction form
    21,574,198.32/32,361,453 = 5,400,429.36/x
  3. Step 3: Cross multiply
    21,574,198.32x = 32,361,453 × 5,400,429.36
  4. Step 4: Simplify right side
    21,574,198.32x = 174,765,740,913,460.09
  5. Step 5: Solve for x
    x = 174,765,740,913,460.09/21,574,198.32
  6. Step 6: Final answer
    x = 8,100,682.97

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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.