Finding the Fourth Proportional to 7,989,078.84, 11,964,596.14 and 5,101,501.44
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Solution
The fourth proportional to 7,989,078.84, 11,964,596.14 and 5,101,501.44 is: 7,640,105.40
Step by Step Solution
- Step 1: Write the proportion equation
7,989,078.84 : 11,964,596.14 = 5,101,501.44 : x - Step 2: Convert to fraction form
7,989,078.84/11,964,596.14 = 5,101,501.44/x - Step 3: Cross multiply
7,989,078.84x = 11,964,596.14 × 5,101,501.44 - Step 4: Simplify right side
7,989,078.84x = 61,037,404,390,001.66 - Step 5: Solve for x
x = 61,037,404,390,001.66/7,989,078.84 - Step 6: Final answer
x = 7,640,105.40
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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.