Finding the Fourth Proportional to 12,043,381.61, 16,619,658.08 and 6,536,638.28
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Solution
The fourth proportional to 12,043,381.61, 16,619,658.08 and 6,536,638.28 is: 9,020,447.63
Step by Step Solution
- Step 1: Write the proportion equation
12,043,381.61 : 16,619,658.08 = 6,536,638.28 : x - Step 2: Convert to fraction form
12,043,381.61/16,619,658.08 = 6,536,638.28/x - Step 3: Cross multiply
12,043,381.61x = 16,619,658.08 × 6,536,638.28 - Step 4: Simplify right side
12,043,381.61x = 108,636,693,090,457.83 - Step 5: Solve for x
x = 108,636,693,090,457.83/12,043,381.61 - Step 6: Final answer
x = 9,020,447.63
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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.