Finding the Fourth Proportional to 8,478,021.60, 12,713,095.80 and 3,683,242.80
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Solution
The fourth proportional to 8,478,021.60, 12,713,095.80 and 3,683,242.80 is: 5,523,153.96
Step by Step Solution
- Step 1: Write the proportion equation
8,478,021.60 : 12,713,095.80 = 3,683,242.80 : x - Step 2: Convert to fraction form
8,478,021.60/12,713,095.80 = 3,683,242.80/x - Step 3: Cross multiply
8,478,021.60x = 12,713,095.80 × 3,683,242.80 - Step 4: Simplify right side
8,478,021.60x = 46,825,418,571,060.24 - Step 5: Solve for x
x = 46,825,418,571,060.24/8,478,021.60 - Step 6: Final answer
x = 5,523,153.96
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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.