Home / 13,621,090.41-20,431,045.13-3,385,733.58

Finding the Fourth Proportional to 13,621,090.41, 20,431,045.13 and 3,385,733.58

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Solution

The fourth proportional to 13,621,090.41, 20,431,045.13 and 3,385,733.58 is: 5,078,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,090.41 : 20,431,045.13 = 3,385,733.58 : x
  2. Step 2: Convert to fraction form
    13,621,090.41/20,431,045.13 = 3,385,733.58/x
  3. Step 3: Cross multiply
    13,621,090.41x = 20,431,045.13 × 3,385,733.58
  4. Step 4: Simplify right side
    13,621,090.41x = 69,174,075,554,207.80
  5. Step 5: Solve for x
    x = 69,174,075,554,207.80/13,621,090.41
  6. Step 6: Final answer
    x = 5,078,453.59

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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.