Home / 21,660,878.89-32,491,067.74-5,266,256.35

Finding the Fourth Proportional to 21,660,878.89, 32,491,067.74 and 5,266,256.35

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Solution

The fourth proportional to 21,660,878.89, 32,491,067.74 and 5,266,256.35 is: 7,899,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,878.89 : 32,491,067.74 = 5,266,256.35 : x
  2. Step 2: Convert to fraction form
    21,660,878.89/32,491,067.74 = 5,266,256.35/x
  3. Step 3: Cross multiply
    21,660,878.89x = 32,491,067.74 × 5,266,256.35
  4. Step 4: Simplify right side
    21,660,878.89x = 171,106,291,804,055.12
  5. Step 5: Solve for x
    x = 171,106,291,804,055.12/21,660,878.89
  6. Step 6: Final answer
    x = 7,899,323.60

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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.