Finding the Fourth Proportional to 11,167,719.42, 15,411,827.02 and 6,206,369.82
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Solution
The fourth proportional to 11,167,719.42, 15,411,827.02 and 6,206,369.82 is: 8,564,998.32
Step by Step Solution
- Step 1: Write the proportion equation
11,167,719.42 : 15,411,827.02 = 6,206,369.82 : x - Step 2: Convert to fraction form
11,167,719.42/15,411,827.02 = 6,206,369.82/x - Step 3: Cross multiply
11,167,719.42x = 15,411,827.02 × 6,206,369.82 - Step 4: Simplify right side
11,167,719.42x = 95,651,498,087,988.53 - Step 5: Solve for x
x = 95,651,498,087,988.53/11,167,719.42 - Step 6: Final answer
x = 8,564,998.32
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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.