Home / 18,749,611.56-25,875,468.59-10,489,181.07

Finding the Fourth Proportional to 18,749,611.56, 25,875,468.59 and 10,489,181.07

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Solution

The fourth proportional to 18,749,611.56, 25,875,468.59 and 10,489,181.07 is: 14,475,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749,611.56 : 25,875,468.59 = 10,489,181.07 : x
  2. Step 2: Convert to fraction form
    18,749,611.56/25,875,468.59 = 10,489,181.07/x
  3. Step 3: Cross multiply
    18,749,611.56x = 25,875,468.59 × 10,489,181.07
  4. Step 4: Simplify right side
    18,749,611.56x = 271,412,475,259,161.69
  5. Step 5: Solve for x
    x = 271,412,475,259,161.69/18,749,611.56
  6. Step 6: Final answer
    x = 14,475,631.90

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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.