Finding the Fourth Proportional to 11,487,094.53, 15,852,190.77 and 6,330,456.08
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Solution
The fourth proportional to 11,487,094.53, 15,852,190.77 and 6,330,456.08 is: 8,736,029.57
Step by Step Solution
- Step 1: Write the proportion equation
11,487,094.53 : 15,852,190.77 = 6,330,456.08 : x - Step 2: Convert to fraction form
11,487,094.53/15,852,190.77 = 6,330,456.08/x - Step 3: Cross multiply
11,487,094.53x = 15,852,190.77 × 6,330,456.08 - Step 4: Simplify right side
11,487,094.53x = 100,351,597,441,266.38 - Step 5: Solve for x
x = 100,351,597,441,266.38/11,487,094.53 - Step 6: Final answer
x = 8,736,029.57
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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.