Finding the Fourth Proportional to 18,387,246.99, 27,571,295.07 and 6,863,238.68
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Solution
The fourth proportional to 18,387,246.99, 27,571,295.07 and 6,863,238.68 is: 10,291,283.90
Step by Step Solution
- Step 1: Write the proportion equation
18,387,246.99 : 27,571,295.07 = 6,863,238.68 : x - Step 2: Convert to fraction form
18,387,246.99/27,571,295.07 = 6,863,238.68/x - Step 3: Cross multiply
18,387,246.99x = 27,571,295.07 × 6,863,238.68 - Step 4: Simplify right side
18,387,246.99x = 189,228,378,851,045.56 - Step 5: Solve for x
x = 189,228,378,851,045.56/18,387,246.99 - Step 6: Final answer
x = 10,291,283.90
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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.