Finding the Fourth Proportional to 11,102,872.84, 15,325,222.72 and 6,457,750.48
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Solution
The fourth proportional to 11,102,872.84, 15,325,222.72 and 6,457,750.48 is: 8,913,590.73
Step by Step Solution
- Step 1: Write the proportion equation
11,102,872.84 : 15,325,222.72 = 6,457,750.48 : x - Step 2: Convert to fraction form
11,102,872.84/15,325,222.72 = 6,457,750.48/x - Step 3: Cross multiply
11,102,872.84x = 15,325,222.72 × 6,457,750.48 - Step 4: Simplify right side
11,102,872.84x = 98,966,464,376,186.92 - Step 5: Solve for x
x = 98,966,464,376,186.92/11,102,872.84 - Step 6: Final answer
x = 8,913,590.73
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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.