Finding the Fourth Proportional to 14,853,299.99, 20,497,248.52 and 8,236,820.72
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Solution
The fourth proportional to 14,853,299.99, 20,497,248.52 and 8,236,820.72 is: 11,366,643.20
Step by Step Solution
- Step 1: Write the proportion equation
14,853,299.99 : 20,497,248.52 = 8,236,820.72 : x - Step 2: Convert to fraction form
14,853,299.99/20,497,248.52 = 8,236,820.72/x - Step 3: Cross multiply
14,853,299.99x = 20,497,248.52 × 8,236,820.72 - Step 4: Simplify right side
14,853,299.99x = 168,832,161,343,176.41 - Step 5: Solve for x
x = 168,832,161,343,176.41/14,853,299.99 - Step 6: Final answer
x = 11,366,643.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.