Finding the Fourth Proportional to 8,194,403.70, 12,291,605.55 and 3,942,875.70
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Solution
The fourth proportional to 8,194,403.70, 12,291,605.55 and 3,942,875.70 is: 5,914,313.55
Step by Step Solution
- Step 1: Write the proportion equation
8,194,403.70 : 12,291,605.55 = 3,942,875.70 : x - Step 2: Convert to fraction form
8,194,403.70/12,291,605.55 = 3,942,875.70/x - Step 3: Cross multiply
8,194,403.70x = 12,291,605.55 × 3,942,875.70 - Step 4: Simplify right side
8,194,403.70x = 48,464,272,837,080.14 - Step 5: Solve for x
x = 48,464,272,837,080.14/8,194,403.70 - Step 6: Final answer
x = 5,914,313.55
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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.