Finding the Fourth Proportional to 7,613,963.96, 11,423,936.66 and 3,351,143.75
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Solution
The fourth proportional to 7,613,963.96, 11,423,936.66 and 3,351,143.75 is: 5,028,031.93
Step by Step Solution
- Step 1: Write the proportion equation
7,613,963.96 : 11,423,936.66 = 3,351,143.75 : x - Step 2: Convert to fraction form
7,613,963.96/11,423,936.66 = 3,351,143.75/x - Step 3: Cross multiply
7,613,963.96x = 11,423,936.66 × 3,351,143.75 - Step 4: Simplify right side
7,613,963.96x = 38,283,253,864,679.47 - Step 5: Solve for x
x = 38,283,253,864,679.47/7,613,963.96 - Step 6: Final answer
x = 5,028,031.93
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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.