Home / 19,973,886.40-29,968,202.40-6,511,153.60

Finding the Fourth Proportional to 19,973,886.40, 29,968,202.40 and 6,511,153.60

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Solution

The fourth proportional to 19,973,886.40, 29,968,202.40 and 6,511,153.60 is: 9,769,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,886.40 : 29,968,202.40 = 6,511,153.60 : x
  2. Step 2: Convert to fraction form
    19,973,886.40/29,968,202.40 = 6,511,153.60/x
  3. Step 3: Cross multiply
    19,973,886.40x = 29,968,202.40 × 6,511,153.60
  4. Step 4: Simplify right side
    19,973,886.40x = 195,127,568,942,288.62
  5. Step 5: Solve for x
    x = 195,127,568,942,288.62/19,973,886.40
  6. Step 6: Final answer
    x = 9,769,133.81

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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.