Home / 18,682,967.35-28,032,541.55-10,036,979.97

Finding the Fourth Proportional to 18,682,967.35, 28,032,541.55 and 10,036,979.97

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Solution

The fourth proportional to 18,682,967.35, 28,032,541.55 and 10,036,979.97 is: 15,059,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,967.35 : 28,032,541.55 = 10,036,979.97 : x
  2. Step 2: Convert to fraction form
    18,682,967.35/28,032,541.55 = 10,036,979.97/x
  3. Step 3: Cross multiply
    18,682,967.35x = 28,032,541.55 × 10,036,979.97
  4. Step 4: Simplify right side
    18,682,967.35x = 281,362,058,045,542.78
  5. Step 5: Solve for x
    x = 281,362,058,045,542.78/18,682,967.35
  6. Step 6: Final answer
    x = 15,059,816.40

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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.