Finding the Fourth Proportional to 8,842,271.49, 12,202,331.70 and 4,921,942.47
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Solution
The fourth proportional to 8,842,271.49, 12,202,331.70 and 4,921,942.47 is: 6,792,278.96
Step by Step Solution
- Step 1: Write the proportion equation
8,842,271.49 : 12,202,331.70 = 4,921,942.47 : x - Step 2: Convert to fraction form
8,842,271.49/12,202,331.70 = 4,921,942.47/x - Step 3: Cross multiply
8,842,271.49x = 12,202,331.70 × 4,921,942.47 - Step 4: Simplify right side
8,842,271.49x = 60,059,174,627,257.29 - Step 5: Solve for x
x = 60,059,174,627,257.29/8,842,271.49 - Step 6: Final answer
x = 6,792,278.96
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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.