Home / 19,928,615.70-29,892,923.55-5,553,902.10

Finding the Fourth Proportional to 19,928,615.70, 29,892,923.55 and 5,553,902.10

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Solution

The fourth proportional to 19,928,615.70, 29,892,923.55 and 5,553,902.10 is: 8,330,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,615.70 : 29,892,923.55 = 5,553,902.10 : x
  2. Step 2: Convert to fraction form
    19,928,615.70/29,892,923.55 = 5,553,902.10/x
  3. Step 3: Cross multiply
    19,928,615.70x = 29,892,923.55 × 5,553,902.10
  4. Step 4: Simplify right side
    19,928,615.70x = 166,022,370,879,484.44
  5. Step 5: Solve for x
    x = 166,022,370,879,484.44/19,928,615.70
  6. Step 6: Final answer
    x = 8,330,853.15

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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.