Finding the Fourth Proportional to 7,772,034.71, 11,658,052.07 and 6,148,405.91
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Solution
The fourth proportional to 7,772,034.71, 11,658,052.07 and 6,148,405.91 is: 9,222,608.87
Step by Step Solution
- Step 1: Write the proportion equation
7,772,034.71 : 11,658,052.07 = 6,148,405.91 : x - Step 2: Convert to fraction form
7,772,034.71/11,658,052.07 = 6,148,405.91/x - Step 3: Cross multiply
7,772,034.71x = 11,658,052.07 × 6,148,405.91 - Step 4: Simplify right side
7,772,034.71x = 71,678,436,267,735.34 - Step 5: Solve for x
x = 71,678,436,267,735.34/7,772,034.71 - Step 6: Final answer
x = 9,222,608.87
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1.5x scale
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.