Finding the Fourth Proportional to 12,083,939.04, 16,677,428.40 and 7,255,354.08
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Solution
The fourth proportional to 12,083,939.04, 16,677,428.40 and 7,255,354.08 is: 10,013,344.80
Step by Step Solution
- Step 1: Write the proportion equation
12,083,939.04 : 16,677,428.40 = 7,255,354.08 : x - Step 2: Convert to fraction form
12,083,939.04/16,677,428.40 = 7,255,354.08/x - Step 3: Cross multiply
12,083,939.04x = 16,677,428.40 × 7,255,354.08 - Step 4: Simplify right side
12,083,939.04x = 121,000,648,185,847.88 - Step 5: Solve for x
x = 121,000,648,185,847.88/12,083,939.04 - Step 6: Final answer
x = 10,013,344.80
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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.