Finding the Fourth Proportional to 8,175,376.84, 11,281,479.96 and 4,910,251.36
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Solution
The fourth proportional to 8,175,376.84, 11,281,479.96 and 4,910,251.36 is: 6,775,822.50
Step by Step Solution
- Step 1: Write the proportion equation
8,175,376.84 : 11,281,479.96 = 4,910,251.36 : x - Step 2: Convert to fraction form
8,175,376.84/11,281,479.96 = 4,910,251.36/x - Step 3: Cross multiply
8,175,376.84x = 11,281,479.96 × 4,910,251.36 - Step 4: Simplify right side
8,175,376.84x = 55,394,902,316,402.75 - Step 5: Solve for x
x = 55,394,902,316,402.75/8,175,376.84 - Step 6: Final answer
x = 6,775,822.50
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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.