Home / 13,682,271.70-18,902,043.59-8,983,814.28

Finding the Fourth Proportional to 13,682,271.70, 18,902,043.59 and 8,983,814.28

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Solution

The fourth proportional to 13,682,271.70, 18,902,043.59 and 8,983,814.28 is: 12,411,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682,271.70 : 18,902,043.59 = 8,983,814.28 : x
  2. Step 2: Convert to fraction form
    13,682,271.70/18,902,043.59 = 8,983,814.28/x
  3. Step 3: Cross multiply
    13,682,271.70x = 18,902,043.59 × 8,983,814.28
  4. Step 4: Simplify right side
    13,682,271.70x = 169,812,449,008,054.72
  5. Step 5: Solve for x
    x = 169,812,449,008,054.72/13,682,271.70
  6. Step 6: Final answer
    x = 12,411,129.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.