Home / 13,297,130.10-19,945,695.15-13,213,149.30

Finding the Fourth Proportional to 13,297,130.10, 19,945,695.15 and 13,213,149.30

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Solution

The fourth proportional to 13,297,130.10, 19,945,695.15 and 13,213,149.30 is: 19,819,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297,130.10 : 19,945,695.15 = 13,213,149.30 : x
  2. Step 2: Convert to fraction form
    13,297,130.10/19,945,695.15 = 13,213,149.30/x
  3. Step 3: Cross multiply
    13,297,130.10x = 19,945,695.15 × 13,213,149.30
  4. Step 4: Simplify right side
    13,297,130.10x = 263,545,447,909,235.88
  5. Step 5: Solve for x
    x = 263,545,447,909,235.88/13,297,130.10
  6. Step 6: Final answer
    x = 19,819,723.95

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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.