Finding the Fourth Proportional to 8,863,958.40, 13,306,435.20 and 5,028,835.20
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Solution
The fourth proportional to 8,863,958.40, 13,306,435.20 and 5,028,835.20 is: 7,549,208.46
Step by Step Solution
- Step 1: Write the proportion equation
8,863,958.40 : 13,306,435.20 = 5,028,835.20 : x - Step 2: Convert to fraction form
8,863,958.40/13,306,435.20 = 5,028,835.20/x - Step 3: Cross multiply
8,863,958.40x = 13,306,435.20 × 5,028,835.20 - Step 4: Simplify right side
8,863,958.40x = 66,915,869,720,279.04 - Step 5: Solve for x
x = 66,915,869,720,279.04/8,863,958.40 - Step 6: Final answer
x = 7,549,208.46
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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.