Finding the Fourth Proportional to 7,431,658.70, 11,146,946.82 and 3,334,248.59
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Solution
The fourth proportional to 7,431,658.70, 11,146,946.82 and 3,334,248.59 is: 5,001,130.06
Step by Step Solution
- Step 1: Write the proportion equation
7,431,658.70 : 11,146,946.82 = 3,334,248.59 : x - Step 2: Convert to fraction form
7,431,658.70/11,146,946.82 = 3,334,248.59/x - Step 3: Cross multiply
7,431,658.70x = 11,146,946.82 × 3,334,248.59 - Step 4: Simplify right side
7,431,658.70x = 37,166,691,661,655.25 - Step 5: Solve for x
x = 37,166,691,661,655.25/7,431,658.70 - Step 6: Final answer
x = 5,001,130.06
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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.