Home / 14,133,028.80-21,199,543.20-13,188,244.80

Finding the Fourth Proportional to 14,133,028.80, 21,199,543.20 and 13,188,244.80

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Solution

The fourth proportional to 14,133,028.80, 21,199,543.20 and 13,188,244.80 is: 19,782,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133,028.80 : 21,199,543.20 = 13,188,244.80 : x
  2. Step 2: Convert to fraction form
    14,133,028.80/21,199,543.20 = 13,188,244.80/x
  3. Step 3: Cross multiply
    14,133,028.80x = 21,199,543.20 × 13,188,244.80
  4. Step 4: Simplify right side
    14,133,028.80x = 279,584,765,369,775.38
  5. Step 5: Solve for x
    x = 279,584,765,369,775.38/14,133,028.80
  6. Step 6: Final answer
    x = 19,782,367.20

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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.