Finding the Fourth Proportional to 6,168,035.09, 8,512,778.75 and 3,554,038.53
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Solution
The fourth proportional to 6,168,035.09, 8,512,778.75 and 3,554,038.53 is: 4,905,086.18
Step by Step Solution
- Step 1: Write the proportion equation
6,168,035.09 : 8,512,778.75 = 3,554,038.53 : x - Step 2: Convert to fraction form
6,168,035.09/8,512,778.75 = 3,554,038.53/x - Step 3: Cross multiply
6,168,035.09x = 8,512,778.75 × 3,554,038.53 - Step 4: Simplify right side
6,168,035.09x = 30,254,743,657,095.04 - Step 5: Solve for x
x = 30,254,743,657,095.04/6,168,035.09 - Step 6: Final answer
x = 4,905,086.18
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1.5x scale
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.