Home / 18,825,228.16-28,249,785.31-8,042,610.12

Finding the Fourth Proportional to 18,825,228.16, 28,249,785.31 and 8,042,610.12

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Solution

The fourth proportional to 18,825,228.16, 28,249,785.31 and 8,042,610.12 is: 12,069,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825,228.16 : 28,249,785.31 = 8,042,610.12 : x
  2. Step 2: Convert to fraction form
    18,825,228.16/28,249,785.31 = 8,042,610.12/x
  3. Step 3: Cross multiply
    18,825,228.16x = 28,249,785.31 × 8,042,610.12
  4. Step 4: Simplify right side
    18,825,228.16x = 227,202,009,222,033.34
  5. Step 5: Solve for x
    x = 227,202,009,222,033.34/18,825,228.16
  6. Step 6: Final answer
    x = 12,069,017.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.