Finding the Fourth Proportional to 21,908,677.92, 32,866,006.08 and 9,126,193.26
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Solution
The fourth proportional to 21,908,677.92, 32,866,006.08 and 9,126,193.26 is: 13,690,535.06
Step by Step Solution
- Step 1: Write the proportion equation
21,908,677.92 : 32,866,006.08 = 9,126,193.26 : x - Step 2: Convert to fraction form
21,908,677.92/32,866,006.08 = 9,126,193.26/x - Step 3: Cross multiply
21,908,677.92x = 32,866,006.08 × 9,126,193.26 - Step 4: Simplify right side
21,908,677.92x = 299,941,523,170,415 - Step 5: Solve for x
x = 299,941,523,170,415/21,908,677.92 - Step 6: Final answer
x = 13,690,535.06
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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.