Finding the Fourth Proportional to 7,341,736.80, 11,012,605.20 and 6,255,235.20
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Solution
The fourth proportional to 7,341,736.80, 11,012,605.20 and 6,255,235.20 is: 9,382,852.80
Step by Step Solution
- Step 1: Write the proportion equation
7,341,736.80 : 11,012,605.20 = 6,255,235.20 : x - Step 2: Convert to fraction form
7,341,736.80/11,012,605.20 = 6,255,235.20/x - Step 3: Cross multiply
7,341,736.80x = 11,012,605.20 × 6,255,235.20 - Step 4: Simplify right side
7,341,736.80x = 68,886,435,690,743.04 - Step 5: Solve for x
x = 68,886,435,690,743.04/7,341,736.80 - Step 6: Final answer
x = 9,382,852.80
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1.5x scale
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.