Home / 18,630,890.96-25,705,466.52-11,186,619.44

Finding the Fourth Proportional to 18,630,890.96, 25,705,466.52 and 11,186,619.44

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Solution

The fourth proportional to 18,630,890.96, 25,705,466.52 and 11,186,619.44 is: 15,434,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,890.96 : 25,705,466.52 = 11,186,619.44 : x
  2. Step 2: Convert to fraction form
    18,630,890.96/25,705,466.52 = 11,186,619.44/x
  3. Step 3: Cross multiply
    18,630,890.96x = 25,705,466.52 × 11,186,619.44
  4. Step 4: Simplify right side
    18,630,890.96x = 287,557,271,486,901.12
  5. Step 5: Solve for x
    x = 287,557,271,486,901.12/18,630,890.96
  6. Step 6: Final answer
    x = 15,434,434.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.