Home / 12,371,907.60-18,557,861.40-10,777,584.60

Finding the Fourth Proportional to 12,371,907.60, 18,557,861.40 and 10,777,584.60

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Solution

The fourth proportional to 12,371,907.60, 18,557,861.40 and 10,777,584.60 is: 16,166,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,907.60 : 18,557,861.40 = 10,777,584.60 : x
  2. Step 2: Convert to fraction form
    12,371,907.60/18,557,861.40 = 10,777,584.60/x
  3. Step 3: Cross multiply
    12,371,907.60x = 18,557,861.40 × 10,777,584.60
  4. Step 4: Simplify right side
    12,371,907.60x = 200,008,921,233,574.41
  5. Step 5: Solve for x
    x = 200,008,921,233,574.41/12,371,907.60
  6. Step 6: Final answer
    x = 16,166,376.90

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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.