Finding the Fourth Proportional to 8,197,137.65, 12,242,561.07 and 7,427,096.84
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Solution
The fourth proportional to 8,197,137.65, 12,242,561.07 and 7,427,096.84 is: 11,092,492.35
Step by Step Solution
- Step 1: Write the proportion equation
8,197,137.65 : 12,242,561.07 = 7,427,096.84 : x - Step 2: Convert to fraction form
8,197,137.65/12,242,561.07 = 7,427,096.84/x - Step 3: Cross multiply
8,197,137.65x = 12,242,561.07 × 7,427,096.84 - Step 4: Simplify right side
8,197,137.65x = 90,926,686,636,504.02 - Step 5: Solve for x
x = 90,926,686,636,504.02/8,197,137.65 - Step 6: Final answer
x = 11,092,492.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.