Finding the Fourth Proportional to 7,432,768.68, 11,141,623.26 and 5,036,855.64
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Solution
The fourth proportional to 7,432,768.68, 11,141,623.26 and 5,036,855.64 is: 7,550,180.88
Step by Step Solution
- Step 1: Write the proportion equation
7,432,768.68 : 11,141,623.26 = 5,036,855.64 : x - Step 2: Convert to fraction form
7,432,768.68/11,141,623.26 = 5,036,855.64/x - Step 3: Cross multiply
7,432,768.68x = 11,141,623.26 × 5,036,855.64 - Step 4: Simplify right side
7,432,768.68x = 56,118,747,955,886.18 - Step 5: Solve for x
x = 56,118,747,955,886.18/7,432,768.68 - Step 6: Final answer
x = 7,550,180.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.