Home / 18,630,889.96-25,705,465.14-11,186,618.44

Finding the Fourth Proportional to 18,630,889.96, 25,705,465.14 and 11,186,618.44

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Solution

The fourth proportional to 18,630,889.96, 25,705,465.14 and 11,186,618.44 is: 15,434,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,889.96 : 25,705,465.14 = 11,186,618.44 : x
  2. Step 2: Convert to fraction form
    18,630,889.96/25,705,465.14 = 11,186,618.44/x
  3. Step 3: Cross multiply
    18,630,889.96x = 25,705,465.14 × 11,186,618.44
  4. Step 4: Simplify right side
    18,630,889.96x = 287,557,230,343,901.19
  5. Step 5: Solve for x
    x = 287,557,230,343,901.19/18,630,889.96
  6. Step 6: Final answer
    x = 15,434,433.40

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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.