Home / 19,811,914.80-29,717,872.20-11,308,858.80

Finding the Fourth Proportional to 19,811,914.80, 29,717,872.20 and 11,308,858.80

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Solution

The fourth proportional to 19,811,914.80, 29,717,872.20 and 11,308,858.80 is: 16,963,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,914.80 : 29,717,872.20 = 11,308,858.80 : x
  2. Step 2: Convert to fraction form
    19,811,914.80/29,717,872.20 = 11,308,858.80/x
  3. Step 3: Cross multiply
    19,811,914.80x = 29,717,872.20 × 11,308,858.80
  4. Step 4: Simplify right side
    19,811,914.80x = 336,075,220,546,245.38
  5. Step 5: Solve for x
    x = 336,075,220,546,245.38/19,811,914.80
  6. Step 6: Final answer
    x = 16,963,288.20

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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.