Finding the Fourth Proportional to 7,947,787.92, 11,921,793.68 and 2,268,012.84
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Solution
The fourth proportional to 7,947,787.92, 11,921,793.68 and 2,268,012.84 is: 3,402,051.16
Step by Step Solution
- Step 1: Write the proportion equation
7,947,787.92 : 11,921,793.68 = 2,268,012.84 : x - Step 2: Convert to fraction form
7,947,787.92/11,921,793.68 = 2,268,012.84/x - Step 3: Cross multiply
7,947,787.92x = 11,921,793.68 × 2,268,012.84 - Step 4: Simplify right side
7,947,787.92x = 27,038,781,142,070.85 - Step 5: Solve for x
x = 27,038,781,142,070.85/7,947,787.92 - Step 6: Final answer
x = 3,402,051.16
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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.