Finding the Fourth Proportional to 8,166,572.19, 12,248,925.16 and 2,183,406.75
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Solution
The fourth proportional to 8,166,572.19, 12,248,925.16 and 2,183,406.75 is: 3,274,860.65
Step by Step Solution
- Step 1: Write the proportion equation
8,166,572.19 : 12,248,925.16 = 2,183,406.75 : x - Step 2: Convert to fraction form
8,166,572.19/12,248,925.16 = 2,183,406.75/x - Step 3: Cross multiply
8,166,572.19x = 12,248,925.16 × 2,183,406.75 - Step 4: Simplify right side
8,166,572.19x = 26,744,385,874,588.83 - Step 5: Solve for x
x = 26,744,385,874,588.83/8,166,572.19 - Step 6: Final answer
x = 3,274,860.65
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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.