Finding the Fourth Proportional to 7,540,294.68, 10,405,295.64 and 4,102,549.32
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Solution
The fourth proportional to 7,540,294.68, 10,405,295.64 and 4,102,549.32 is: 5,661,348.84
Step by Step Solution
- Step 1: Write the proportion equation
7,540,294.68 : 10,405,295.64 = 4,102,549.32 : x - Step 2: Convert to fraction form
7,540,294.68/10,405,295.64 = 4,102,549.32/x - Step 3: Cross multiply
7,540,294.68x = 10,405,295.64 × 4,102,549.32 - Step 4: Simplify right side
7,540,294.68x = 42,688,238,552,280.97 - Step 5: Solve for x
x = 42,688,238,552,280.97/7,540,294.68 - Step 6: Final answer
x = 5,661,348.84
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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.