Finding the Fourth Proportional to 11,205,648.78, 15,464,207.79 and 6,244,535.94
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Solution
The fourth proportional to 11,205,648.78, 15,464,207.79 and 6,244,535.94 is: 8,617,689.46
Step by Step Solution
- Step 1: Write the proportion equation
11,205,648.78 : 15,464,207.79 = 6,244,535.94 : x - Step 2: Convert to fraction form
11,205,648.78/15,464,207.79 = 6,244,535.94/x - Step 3: Cross multiply
11,205,648.78x = 15,464,207.79 × 6,244,535.94 - Step 4: Simplify right side
11,205,648.78x = 96,566,801,328,282.97 - Step 5: Solve for x
x = 96,566,801,328,282.97/11,205,648.78 - Step 6: Final answer
x = 8,617,689.46
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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.