Home / 19,973,878.40-29,968,190.40-6,511,145.60

Finding the Fourth Proportional to 19,973,878.40, 29,968,190.40 and 6,511,145.60

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Solution

The fourth proportional to 19,973,878.40, 29,968,190.40 and 6,511,145.60 is: 9,769,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,878.40 : 29,968,190.40 = 6,511,145.60 : x
  2. Step 2: Convert to fraction form
    19,973,878.40/29,968,190.40 = 6,511,145.60/x
  3. Step 3: Cross multiply
    19,973,878.40x = 29,968,190.40 × 6,511,145.60
  4. Step 4: Simplify right side
    19,973,878.40x = 195,127,251,062,922.22
  5. Step 5: Solve for x
    x = 195,127,251,062,922.22/19,973,878.40
  6. Step 6: Final answer
    x = 9,769,121.81

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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.