Finding the Fourth Proportional to 13,789,628.99, 20,684,377.86 and 4,204,975.74
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Solution
The fourth proportional to 13,789,628.99, 20,684,377.86 and 4,204,975.74 is: 6,307,443.60
Step by Step Solution
- Step 1: Write the proportion equation
13,789,628.99 : 20,684,377.86 = 4,204,975.74 : x - Step 2: Convert to fraction form
13,789,628.99/20,684,377.86 = 4,204,975.74/x - Step 3: Cross multiply
13,789,628.99x = 20,684,377.86 × 4,204,975.74 - Step 4: Simplify right side
13,789,628.99x = 86,977,307,098,293.12 - Step 5: Solve for x
x = 86,977,307,098,293.12/13,789,628.99 - Step 6: Final answer
x = 6,307,443.60
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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.