Finding the Fourth Proportional to 8,809,287.84, 12,154,092.80 and 5,135,603.99
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Solution
The fourth proportional to 8,809,287.84, 12,154,092.80 and 5,135,603.99 is: 7,085,545.23
Step by Step Solution
- Step 1: Write the proportion equation
8,809,287.84 : 12,154,092.80 = 5,135,603.99 : x - Step 2: Convert to fraction form
8,809,287.84/12,154,092.80 = 5,135,603.99/x - Step 3: Cross multiply
8,809,287.84x = 12,154,092.80 × 5,135,603.99 - Step 4: Simplify right side
8,809,287.84x = 62,418,607,392,061.79 - Step 5: Solve for x
x = 62,418,607,392,061.79/8,809,287.84 - Step 6: Final answer
x = 7,085,545.23
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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.