Home / 19,007,986.60-28,511,979.90-6,228,908.20

Finding the Fourth Proportional to 19,007,986.60, 28,511,979.90 and 6,228,908.20

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Solution

The fourth proportional to 19,007,986.60, 28,511,979.90 and 6,228,908.20 is: 9,343,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,986.60 : 28,511,979.90 = 6,228,908.20 : x
  2. Step 2: Convert to fraction form
    19,007,986.60/28,511,979.90 = 6,228,908.20/x
  3. Step 3: Cross multiply
    19,007,986.60x = 28,511,979.90 × 6,228,908.20
  4. Step 4: Simplify right side
    19,007,986.60x = 177,598,505,397,345.19
  5. Step 5: Solve for x
    x = 177,598,505,397,345.19/19,007,986.60
  6. Step 6: Final answer
    x = 9,343,362.30

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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.