Finding the Fourth Proportional to 12,000,674.19, 16,560,974 and 6,494,048.42
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Solution
The fourth proportional to 12,000,674.19, 16,560,974 and 6,494,048.42 is: 8,961,810.42
Step by Step Solution
- Step 1: Write the proportion equation
12,000,674.19 : 16,560,974 = 6,494,048.42 : x - Step 2: Convert to fraction form
12,000,674.19/16,560,974 = 6,494,048.42/x - Step 3: Cross multiply
12,000,674.19x = 16,560,974 × 6,494,048.42 - Step 4: Simplify right side
12,000,674.19x = 107,547,767,038,361.08 - Step 5: Solve for x
x = 107,547,767,038,361.08/12,000,674.19 - Step 6: Final answer
x = 8,961,810.42
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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.