Home / 28,928,442.72-39,918,612.33-17,165,684.10

Finding the Fourth Proportional to 28,928,442.72, 39,918,612.33 and 17,165,684.10

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Solution

The fourth proportional to 28,928,442.72, 39,918,612.33 and 17,165,684.10 is: 23,687,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,442.72 : 39,918,612.33 = 17,165,684.10 : x
  2. Step 2: Convert to fraction form
    28,928,442.72/39,918,612.33 = 17,165,684.10/x
  3. Step 3: Cross multiply
    28,928,442.72x = 39,918,612.33 × 17,165,684.10
  4. Step 4: Simplify right side
    28,928,442.72x = 685,230,288,967,145
  5. Step 5: Solve for x
    x = 685,230,288,967,145/28,928,442.72
  6. Step 6: Final answer
    x = 23,687,078.34

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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.