Finding the Fourth Proportional to 11,890,071.44, 16,408,330.08 and 6,995,477.96
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Solution
The fourth proportional to 11,890,071.44, 16,408,330.08 and 6,995,477.96 is: 9,653,778.11
Step by Step Solution
- Step 1: Write the proportion equation
11,890,071.44 : 16,408,330.08 = 6,995,477.96 : x - Step 2: Convert to fraction form
11,890,071.44/16,408,330.08 = 6,995,477.96/x - Step 3: Cross multiply
11,890,071.44x = 16,408,330.08 × 6,995,477.96 - Step 4: Simplify right side
11,890,071.44x = 114,784,111,435,045.03 - Step 5: Solve for x
x = 114,784,111,435,045.03/11,890,071.44 - Step 6: Final answer
x = 9,653,778.11
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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.