Home / 21,660,845.21-32,491,017.32-5,266,222.51

Finding the Fourth Proportional to 21,660,845.21, 32,491,017.32 and 5,266,222.51

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Solution

The fourth proportional to 21,660,845.21, 32,491,017.32 and 5,266,222.51 is: 7,899,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,845.21 : 32,491,017.32 = 5,266,222.51 : x
  2. Step 2: Convert to fraction form
    21,660,845.21/32,491,017.32 = 5,266,222.51/x
  3. Step 3: Cross multiply
    21,660,845.21x = 32,491,017.32 × 5,266,222.51
  4. Step 4: Simplify right side
    21,660,845.21x = 171,104,926,594,597.69
  5. Step 5: Solve for x
    x = 171,104,926,594,597.69/21,660,845.21
  6. Step 6: Final answer
    x = 7,899,272.86

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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.