Home / 19,684,244.80-29,526,367.20-13,259,713.60

Finding the Fourth Proportional to 19,684,244.80, 29,526,367.20 and 13,259,713.60

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Solution

The fourth proportional to 19,684,244.80, 29,526,367.20 and 13,259,713.60 is: 19,889,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684,244.80 : 29,526,367.20 = 13,259,713.60 : x
  2. Step 2: Convert to fraction form
    19,684,244.80/29,526,367.20 = 13,259,713.60/x
  3. Step 3: Cross multiply
    19,684,244.80x = 29,526,367.20 × 13,259,713.60
  4. Step 4: Simplify right side
    19,684,244.80x = 391,511,172,720,433.88
  5. Step 5: Solve for x
    x = 391,511,172,720,433.88/19,684,244.80
  6. Step 6: Final answer
    x = 19,889,570.40

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1.5x scale

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.