Finding the Fourth Proportional to 11,091,511.35, 15,303,662.42 and 6,442,533.99
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Solution
The fourth proportional to 11,091,511.35, 15,303,662.42 and 6,442,533.99 is: 8,889,173.19
Step by Step Solution
- Step 1: Write the proportion equation
11,091,511.35 : 15,303,662.42 = 6,442,533.99 : x - Step 2: Convert to fraction form
11,091,511.35/15,303,662.42 = 6,442,533.99/x - Step 3: Cross multiply
11,091,511.35x = 15,303,662.42 × 6,442,533.99 - Step 4: Simplify right side
11,091,511.35x = 98,594,365,280,122.98 - Step 5: Solve for x
x = 98,594,365,280,122.98/11,091,511.35 - Step 6: Final answer
x = 8,889,173.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.