Home / 11,216,570.80-16,789,426.80-8,807,371.60

Finding the Fourth Proportional to 11,216,570.80, 16,789,426.80 and 8,807,371.60

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Solution

The fourth proportional to 11,216,570.80, 16,789,426.80 and 8,807,371.60 is: 13,183,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216,570.80 : 16,789,426.80 = 8,807,371.60 : x
  2. Step 2: Convert to fraction form
    11,216,570.80/16,789,426.80 = 8,807,371.60/x
  3. Step 3: Cross multiply
    11,216,570.80x = 16,789,426.80 × 8,807,371.60
  4. Step 4: Simplify right side
    11,216,570.80x = 147,870,720,778,598.88
  5. Step 5: Solve for x
    x = 147,870,720,778,598.88/11,216,570.80
  6. Step 6: Final answer
    x = 13,183,237.86

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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.