Finding the Fourth Proportional to 7,644,788.92, 10,549,810.26 and 4,207,029.95
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Solution
The fourth proportional to 7,644,788.92, 10,549,810.26 and 4,207,029.95 is: 5,805,702.19
Step by Step Solution
- Step 1: Write the proportion equation
7,644,788.92 : 10,549,810.26 = 4,207,029.95 : x - Step 2: Convert to fraction form
7,644,788.92/10,549,810.26 = 4,207,029.95/x - Step 3: Cross multiply
7,644,788.92x = 10,549,810.26 × 4,207,029.95 - Step 4: Simplify right side
7,644,788.92x = 44,383,367,757,011.80 - Step 5: Solve for x
x = 44,383,367,757,011.80/7,644,788.92 - Step 6: Final answer
x = 5,805,702.19
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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.