Finding the Fourth Proportional to 8,972,804.80, 12,382,407.64 and 4,898,423.80
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Solution
The fourth proportional to 8,972,804.80, 12,382,407.64 and 4,898,423.80 is: 6,759,790.46
Step by Step Solution
- Step 1: Write the proportion equation
8,972,804.80 : 12,382,407.64 = 4,898,423.80 : x - Step 2: Convert to fraction form
8,972,804.80/12,382,407.64 = 4,898,423.80/x - Step 3: Cross multiply
8,972,804.80x = 12,382,407.64 × 4,898,423.80 - Step 4: Simplify right side
8,972,804.80x = 60,654,280,285,077.84 - Step 5: Solve for x
x = 60,654,280,285,077.84/8,972,804.80 - Step 6: Final answer
x = 6,759,790.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.