Finding the Fourth Proportional to 11,660,562.36, 16,091,533.98 and 6,503,919.96
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Solution
The fourth proportional to 11,660,562.36, 16,091,533.98 and 6,503,919.96 is: 8,975,386.08
Step by Step Solution
- Step 1: Write the proportion equation
11,660,562.36 : 16,091,533.98 = 6,503,919.96 : x - Step 2: Convert to fraction form
11,660,562.36/16,091,533.98 = 6,503,919.96/x - Step 3: Cross multiply
11,660,562.36x = 16,091,533.98 × 6,503,919.96 - Step 4: Simplify right side
11,660,562.36x = 104,658,049,039,540.25 - Step 5: Solve for x
x = 104,658,049,039,540.25/11,660,562.36 - Step 6: Final answer
x = 8,975,386.08
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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.