Finding the Fourth Proportional to 8,161,203.60, 12,231,307.80 and 4,962,934.80
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Solution
The fourth proportional to 8,161,203.60, 12,231,307.80 and 4,962,934.80 is: 7,438,018.47
Step by Step Solution
- Step 1: Write the proportion equation
8,161,203.60 : 12,231,307.80 = 4,962,934.80 : x - Step 2: Convert to fraction form
8,161,203.60/12,231,307.80 = 4,962,934.80/x - Step 3: Cross multiply
8,161,203.60x = 12,231,307.80 × 4,962,934.80 - Step 4: Simplify right side
8,161,203.60x = 60,703,183,130,131.45 - Step 5: Solve for x
x = 60,703,183,130,131.45/8,161,203.60 - Step 6: Final answer
x = 7,438,018.47
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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.