Finding the Fourth Proportional to 14,400,913.28, 19,869,430.34 and 8,205,827.42
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Solution
The fourth proportional to 14,400,913.28, 19,869,430.34 and 8,205,827.42 is: 11,321,859.46
Step by Step Solution
- Step 1: Write the proportion equation
14,400,913.28 : 19,869,430.34 = 8,205,827.42 : x - Step 2: Convert to fraction form
14,400,913.28/19,869,430.34 = 8,205,827.42/x - Step 3: Cross multiply
14,400,913.28x = 19,869,430.34 × 8,205,827.42 - Step 4: Simplify right side
14,400,913.28x = 163,045,116,163,375.66 - Step 5: Solve for x
x = 163,045,116,163,375.66/14,400,913.28 - Step 6: Final answer
x = 11,321,859.46
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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.