Finding the Fourth Proportional to 8,868,979.80, 13,306,968.90 and 3,476,712.60
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Solution
The fourth proportional to 8,868,979.80, 13,306,968.90 and 3,476,712.60 is: 5,216,440.62
Step by Step Solution
- Step 1: Write the proportion equation
8,868,979.80 : 13,306,968.90 = 3,476,712.60 : x - Step 2: Convert to fraction form
8,868,979.80/13,306,968.90 = 3,476,712.60/x - Step 3: Cross multiply
8,868,979.80x = 13,306,968.90 × 3,476,712.60 - Step 4: Simplify right side
8,868,979.80x = 46,264,506,442,438.14 - Step 5: Solve for x
x = 46,264,506,442,438.14/8,868,979.80 - Step 6: Final answer
x = 5,216,440.62
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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.