Home / 19,958,797.20-29,938,195.80-13,581,505.20

Finding the Fourth Proportional to 19,958,797.20, 29,938,195.80 and 13,581,505.20

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Solution

The fourth proportional to 19,958,797.20, 29,938,195.80 and 13,581,505.20 is: 20,372,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,797.20 : 29,938,195.80 = 13,581,505.20 : x
  2. Step 2: Convert to fraction form
    19,958,797.20/29,938,195.80 = 13,581,505.20/x
  3. Step 3: Cross multiply
    19,958,797.20x = 29,938,195.80 × 13,581,505.20
  4. Step 4: Simplify right side
    19,958,797.20x = 406,605,761,936,318.12
  5. Step 5: Solve for x
    x = 406,605,761,936,318.12/19,958,797.20
  6. Step 6: Final answer
    x = 20,372,257.80

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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.