Finding the Fourth Proportional to 8,292,769.40, 12,444,683.70 and 3,802,734.20
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Solution
The fourth proportional to 8,292,769.40, 12,444,683.70 and 3,802,734.20 is: 5,706,636.95
Step by Step Solution
- Step 1: Write the proportion equation
8,292,769.40 : 12,444,683.70 = 3,802,734.20 : x - Step 2: Convert to fraction form
8,292,769.40/12,444,683.70 = 3,802,734.20/x - Step 3: Cross multiply
8,292,769.40x = 12,444,683.70 × 3,802,734.20 - Step 4: Simplify right side
8,292,769.40x = 47,323,824,314,172.54 - Step 5: Solve for x
x = 47,323,824,314,172.54/8,292,769.40 - Step 6: Final answer
x = 5,706,636.95
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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.