Home / 19,540,939.20-29,303,114.40-9,446,654.40

Finding the Fourth Proportional to 19,540,939.20, 29,303,114.40 and 9,446,654.40

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Solution

The fourth proportional to 19,540,939.20, 29,303,114.40 and 9,446,654.40 is: 14,165,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540,939.20 : 29,303,114.40 = 9,446,654.40 : x
  2. Step 2: Convert to fraction form
    19,540,939.20/29,303,114.40 = 9,446,654.40/x
  3. Step 3: Cross multiply
    19,540,939.20x = 29,303,114.40 × 9,446,654.40
  4. Step 4: Simplify right side
    19,540,939.20x = 276,816,394,580,463.34
  5. Step 5: Solve for x
    x = 276,816,394,580,463.34/19,540,939.20
  6. Step 6: Final answer
    x = 14,165,971.85

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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.