Home / 13,574,021.62-18,732,271.74-7,379,080.26

Finding the Fourth Proportional to 13,574,021.62, 18,732,271.74 and 7,379,080.26

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Solution

The fourth proportional to 13,574,021.62, 18,732,271.74 and 7,379,080.26 is: 10,183,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,021.62 : 18,732,271.74 = 7,379,080.26 : x
  2. Step 2: Convert to fraction form
    13,574,021.62/18,732,271.74 = 7,379,080.26/x
  3. Step 3: Cross multiply
    13,574,021.62x = 18,732,271.74 × 7,379,080.26
  4. Step 4: Simplify right side
    13,574,021.62x = 138,226,936,621,589.84
  5. Step 5: Solve for x
    x = 138,226,936,621,589.84/13,574,021.62
  6. Step 6: Final answer
    x = 10,183,197.03

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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.