Home / 28,869,786.72-39,845,439-17,268,626.52

Finding the Fourth Proportional to 28,869,786.72, 39,845,439 and 17,268,626.52

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Solution

The fourth proportional to 28,869,786.72, 39,845,439 and 17,268,626.52 is: 23,833,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869,786.72 : 39,845,439 = 17,268,626.52 : x
  2. Step 2: Convert to fraction form
    28,869,786.72/39,845,439 = 17,268,626.52/x
  3. Step 3: Cross multiply
    28,869,786.72x = 39,845,439 × 17,268,626.52
  4. Step 4: Simplify right side
    28,869,786.72x = 688,076,004,616,442.25
  5. Step 5: Solve for x
    x = 688,076,004,616,442.25/28,869,786.72
  6. Step 6: Final answer
    x = 23,833,775.13

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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.