Home / 13,131,532.44-19,698,017.04-5,455,953.72

Finding the Fourth Proportional to 13,131,532.44, 19,698,017.04 and 5,455,953.72

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Solution

The fourth proportional to 13,131,532.44, 19,698,017.04 and 5,455,953.72 is: 8,184,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,532.44 : 19,698,017.04 = 5,455,953.72 : x
  2. Step 2: Convert to fraction form
    13,131,532.44/19,698,017.04 = 5,455,953.72/x
  3. Step 3: Cross multiply
    13,131,532.44x = 19,698,017.04 × 5,455,953.72
  4. Step 4: Simplify right side
    13,131,532.44x = 107,471,469,346,011.38
  5. Step 5: Solve for x
    x = 107,471,469,346,011.38/13,131,532.44
  6. Step 6: Final answer
    x = 8,184,229.06

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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.