Finding the Fourth Proportional to 14,126,929.80, 21,190,394.70 and 4,543,277.10
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Solution
The fourth proportional to 14,126,929.80, 21,190,394.70 and 4,543,277.10 is: 6,814,915.65
Step by Step Solution
- Step 1: Write the proportion equation
14,126,929.80 : 21,190,394.70 = 4,543,277.10 : x - Step 2: Convert to fraction form
14,126,929.80/21,190,394.70 = 4,543,277.10/x - Step 3: Cross multiply
14,126,929.80x = 21,190,394.70 × 4,543,277.10 - Step 4: Simplify right side
14,126,929.80x = 96,273,834,980,471.36 - Step 5: Solve for x
x = 96,273,834,980,471.36/14,126,929.80 - Step 6: Final answer
x = 6,814,915.65
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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.