Home / 13,286,090.80-19,929,136.20-13,174,116.40

Finding the Fourth Proportional to 13,286,090.80, 19,929,136.20 and 13,174,116.40

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Solution

The fourth proportional to 13,286,090.80, 19,929,136.20 and 13,174,116.40 is: 19,761,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,090.80 : 19,929,136.20 = 13,174,116.40 : x
  2. Step 2: Convert to fraction form
    13,286,090.80/19,929,136.20 = 13,174,116.40/x
  3. Step 3: Cross multiply
    13,286,090.80x = 19,929,136.20 × 13,174,116.40
  4. Step 4: Simplify right side
    13,286,090.80x = 262,548,760,050,253.69
  5. Step 5: Solve for x
    x = 262,548,760,050,253.69/13,286,090.80
  6. Step 6: Final answer
    x = 19,761,174.60

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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.