Home / 12,631,455.94-18,939,931.26-4,946,102.54

Finding the Fourth Proportional to 12,631,455.94, 18,939,931.26 and 4,946,102.54

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Solution

The fourth proportional to 12,631,455.94, 18,939,931.26 and 4,946,102.54 is: 7,416,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,455.94 : 18,939,931.26 = 4,946,102.54 : x
  2. Step 2: Convert to fraction form
    12,631,455.94/18,939,931.26 = 4,946,102.54/x
  3. Step 3: Cross multiply
    12,631,455.94x = 18,939,931.26 × 4,946,102.54
  4. Step 4: Simplify right side
    12,631,455.94x = 93,678,842,112,511.41
  5. Step 5: Solve for x
    x = 93,678,842,112,511.41/12,631,455.94
  6. Step 6: Final answer
    x = 7,416,313.89

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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.