Home / 11,740,939.20-17,611,408.80-10,817,150.40

Finding the Fourth Proportional to 11,740,939.20, 17,611,408.80 and 10,817,150.40

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Solution

The fourth proportional to 11,740,939.20, 17,611,408.80 and 10,817,150.40 is: 16,225,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740,939.20 : 17,611,408.80 = 10,817,150.40 : x
  2. Step 2: Convert to fraction form
    11,740,939.20/17,611,408.80 = 10,817,150.40/x
  3. Step 3: Cross multiply
    11,740,939.20x = 17,611,408.80 × 10,817,150.40
  4. Step 4: Simplify right side
    11,740,939.20x = 190,505,257,745,483.53
  5. Step 5: Solve for x
    x = 190,505,257,745,483.53/11,740,939.20
  6. Step 6: Final answer
    x = 16,225,725.60

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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.