Home / 19,404,821.80-29,107,232.70-13,731,452.20

Finding the Fourth Proportional to 19,404,821.80, 29,107,232.70 and 13,731,452.20

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Solution

The fourth proportional to 19,404,821.80, 29,107,232.70 and 13,731,452.20 is: 20,597,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404,821.80 : 29,107,232.70 = 13,731,452.20 : x
  2. Step 2: Convert to fraction form
    19,404,821.80/29,107,232.70 = 13,731,452.20/x
  3. Step 3: Cross multiply
    19,404,821.80x = 29,107,232.70 × 13,731,452.20
  4. Step 4: Simplify right side
    19,404,821.80x = 399,684,574,494,326.94
  5. Step 5: Solve for x
    x = 399,684,574,494,326.94/19,404,821.80
  6. Step 6: Final answer
    x = 20,597,178.30

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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.