Finding the Fourth Proportional to 12,043,383.12, 16,619,660.14 and 6,536,639.78
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Solution
The fourth proportional to 12,043,383.12, 16,619,660.14 and 6,536,639.78 is: 9,020,449.70
Step by Step Solution
- Step 1: Write the proportion equation
12,043,383.12 : 16,619,660.14 = 6,536,639.78 : x - Step 2: Convert to fraction form
12,043,383.12/16,619,660.14 = 6,536,639.78/x - Step 3: Cross multiply
12,043,383.12x = 16,619,660.14 × 6,536,639.78 - Step 4: Simplify right side
12,043,383.12x = 108,636,731,601,204.38 - Step 5: Solve for x
x = 108,636,731,601,204.38/12,043,383.12 - Step 6: Final answer
x = 9,020,449.70
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1.5x scale
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.