Finding the Fourth Proportional to 7,446,858.94, 11,170,929.62 and 2,055,510.28
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Solution
The fourth proportional to 7,446,858.94, 11,170,929.62 and 2,055,510.28 is: 3,083,442.41
Step by Step Solution
- Step 1: Write the proportion equation
7,446,858.94 : 11,170,929.62 = 2,055,510.28 : x - Step 2: Convert to fraction form
7,446,858.94/11,170,929.62 = 2,055,510.28/x - Step 3: Cross multiply
7,446,858.94x = 11,170,929.62 × 2,055,510.28 - Step 4: Simplify right side
7,446,858.94x = 22,961,960,671,066.49 - Step 5: Solve for x
x = 22,961,960,671,066.49/7,446,858.94 - Step 6: Final answer
x = 3,083,442.41
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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.