Home / 13,187,774.70-19,784,504.10-4,089,689.46

Finding the Fourth Proportional to 13,187,774.70, 19,784,504.10 and 4,089,689.46

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Solution

The fourth proportional to 13,187,774.70, 19,784,504.10 and 4,089,689.46 is: 6,135,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,774.70 : 19,784,504.10 = 4,089,689.46 : x
  2. Step 2: Convert to fraction form
    13,187,774.70/19,784,504.10 = 4,089,689.46/x
  3. Step 3: Cross multiply
    13,187,774.70x = 19,784,504.10 × 4,089,689.46
  4. Step 4: Simplify right side
    13,187,774.70x = 80,912,477,889,096.80
  5. Step 5: Solve for x
    x = 80,912,477,889,096.80/13,187,774.70
  6. Step 6: Final answer
    x = 6,135,415.54

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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.