Home / 18,682,966.35-28,032,540.05-10,036,978.97

Finding the Fourth Proportional to 18,682,966.35, 28,032,540.05 and 10,036,978.97

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Solution

The fourth proportional to 18,682,966.35, 28,032,540.05 and 10,036,978.97 is: 15,059,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,966.35 : 28,032,540.05 = 10,036,978.97 : x
  2. Step 2: Convert to fraction form
    18,682,966.35/28,032,540.05 = 10,036,978.97/x
  3. Step 3: Cross multiply
    18,682,966.35x = 28,032,540.05 × 10,036,978.97
  4. Step 4: Simplify right side
    18,682,966.35x = 281,362,014,842,462.47
  5. Step 5: Solve for x
    x = 281,362,014,842,462.47/18,682,966.35
  6. Step 6: Final answer
    x = 15,059,814.89

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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.