Finding the Fourth Proportional to 8,863,009.20, 13,294,513.80 and 2,879,377.20
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Solution
The fourth proportional to 8,863,009.20, 13,294,513.80 and 2,879,377.20 is: 4,319,065.80
Step by Step Solution
- Step 1: Write the proportion equation
8,863,009.20 : 13,294,513.80 = 2,879,377.20 : x - Step 2: Convert to fraction form
8,863,009.20/13,294,513.80 = 2,879,377.20/x - Step 3: Cross multiply
8,863,009.20x = 13,294,513.80 × 2,879,377.20 - Step 4: Simplify right side
8,863,009.20x = 38,279,919,920,805.37 - Step 5: Solve for x
x = 38,279,919,920,805.37/8,863,009.20 - Step 6: Final answer
x = 4,319,065.80
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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.