Home / 19,368,313.20-29,040,028.20-8,013,279.60

Finding the Fourth Proportional to 19,368,313.20, 29,040,028.20 and 8,013,279.60

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Solution

The fourth proportional to 19,368,313.20, 29,040,028.20 and 8,013,279.60 is: 12,014,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368,313.20 : 29,040,028.20 = 8,013,279.60 : x
  2. Step 2: Convert to fraction form
    19,368,313.20/29,040,028.20 = 8,013,279.60/x
  3. Step 3: Cross multiply
    19,368,313.20x = 29,040,028.20 × 8,013,279.60
  4. Step 4: Simplify right side
    19,368,313.20x = 232,705,865,558,484.72
  5. Step 5: Solve for x
    x = 232,705,865,558,484.72/19,368,313.20
  6. Step 6: Final answer
    x = 12,014,771.92

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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.