Finding the Fourth Proportional to 12,148,994.75, 16,765,962.68 and 6,716,836.67
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Solution
The fourth proportional to 12,148,994.75, 16,765,962.68 and 6,716,836.67 is: 9,269,428.07
Step by Step Solution
- Step 1: Write the proportion equation
12,148,994.75 : 16,765,962.68 = 6,716,836.67 : x - Step 2: Convert to fraction form
12,148,994.75/16,765,962.68 = 6,716,836.67/x - Step 3: Cross multiply
12,148,994.75x = 16,765,962.68 × 6,716,836.67 - Step 4: Simplify right side
12,148,994.75x = 112,614,232,903,291.30 - Step 5: Solve for x
x = 112,614,232,903,291.30/12,148,994.75 - Step 6: Final answer
x = 9,269,428.07
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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.