Home / 13,286,563.54-19,929,845.59-3,189,184.54

Finding the Fourth Proportional to 13,286,563.54, 19,929,845.59 and 3,189,184.54

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Solution

The fourth proportional to 13,286,563.54, 19,929,845.59 and 3,189,184.54 is: 4,783,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,563.54 : 19,929,845.59 = 3,189,184.54 : x
  2. Step 2: Convert to fraction form
    13,286,563.54/19,929,845.59 = 3,189,184.54/x
  3. Step 3: Cross multiply
    13,286,563.54x = 19,929,845.59 × 3,189,184.54
  4. Step 4: Simplify right side
    13,286,563.54x = 63,559,955,382,417.60
  5. Step 5: Solve for x
    x = 63,559,955,382,417.60/13,286,563.54
  6. Step 6: Final answer
    x = 4,783,776.87

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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.