Finding the Fourth Proportional to 7,824,848.64, 10,797,750.42 and 4,339,858.74
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Solution
The fourth proportional to 7,824,848.64, 10,797,750.42 and 4,339,858.74 is: 5,988,705.17
Step by Step Solution
- Step 1: Write the proportion equation
7,824,848.64 : 10,797,750.42 = 4,339,858.74 : x - Step 2: Convert to fraction form
7,824,848.64/10,797,750.42 = 4,339,858.74/x - Step 3: Cross multiply
7,824,848.64x = 10,797,750.42 × 4,339,858.74 - Step 4: Simplify right side
7,824,848.64x = 46,860,711,532,575.67 - Step 5: Solve for x
x = 46,860,711,532,575.67/7,824,848.64 - Step 6: Final answer
x = 5,988,705.17
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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.