Home / 19,821,147.26-29,728,177.52-12,611,264.36

Finding the Fourth Proportional to 19,821,147.26, 29,728,177.52 and 12,611,264.36

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Solution

The fourth proportional to 19,821,147.26, 29,728,177.52 and 12,611,264.36 is: 18,914,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821,147.26 : 29,728,177.52 = 12,611,264.36 : x
  2. Step 2: Convert to fraction form
    19,821,147.26/29,728,177.52 = 12,611,264.36/x
  3. Step 3: Cross multiply
    19,821,147.26x = 29,728,177.52 × 12,611,264.36
  4. Step 4: Simplify right side
    19,821,147.26x = 374,909,905,434,032
  5. Step 5: Solve for x
    x = 374,909,905,434,032/19,821,147.26
  6. Step 6: Final answer
    x = 18,914,642.05

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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.