Home / 18,795,628.80-28,193,443.20-11,583,777.60

Finding the Fourth Proportional to 18,795,628.80, 28,193,443.20 and 11,583,777.60

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Solution

The fourth proportional to 18,795,628.80, 28,193,443.20 and 11,583,777.60 is: 17,375,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,628.80 : 28,193,443.20 = 11,583,777.60 : x
  2. Step 2: Convert to fraction form
    18,795,628.80/28,193,443.20 = 11,583,777.60/x
  3. Step 3: Cross multiply
    18,795,628.80x = 28,193,443.20 × 11,583,777.60
  4. Step 4: Simplify right side
    18,795,628.80x = 326,586,575,807,032.31
  5. Step 5: Solve for x
    x = 326,586,575,807,032.31/18,795,628.80
  6. Step 6: Final answer
    x = 17,375,666.40

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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.