Home / 13,761,938.58-20,645,396.19-5,670,412.80

Finding the Fourth Proportional to 13,761,938.58, 20,645,396.19 and 5,670,412.80

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Solution

The fourth proportional to 13,761,938.58, 20,645,396.19 and 5,670,412.80 is: 8,506,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,938.58 : 20,645,396.19 = 5,670,412.80 : x
  2. Step 2: Convert to fraction form
    13,761,938.58/20,645,396.19 = 5,670,412.80/x
  3. Step 3: Cross multiply
    13,761,938.58x = 20,645,396.19 × 5,670,412.80
  4. Step 4: Simplify right side
    13,761,938.58x = 117,067,918,816,847.23
  5. Step 5: Solve for x
    x = 117,067,918,816,847.23/13,761,938.58
  6. Step 6: Final answer
    x = 8,506,644.48

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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.