Finding the Fourth Proportional to 8,119,238.99, 12,177,386.78 and 3,261,349.71
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Solution
The fourth proportional to 8,119,238.99, 12,177,386.78 and 3,261,349.71 is: 4,891,433.41
Step by Step Solution
- Step 1: Write the proportion equation
8,119,238.99 : 12,177,386.78 = 3,261,349.71 : x - Step 2: Convert to fraction form
8,119,238.99/12,177,386.78 = 3,261,349.71/x - Step 3: Cross multiply
8,119,238.99x = 12,177,386.78 × 3,261,349.71 - Step 4: Simplify right side
8,119,238.99x = 39,714,716,827,204.09 - Step 5: Solve for x
x = 39,714,716,827,204.09/8,119,238.99 - Step 6: Final answer
x = 4,891,433.41
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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.