Finding the Fourth Proportional to 10,935,008.20, 16,402,512.30 and 7,743,737.80
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Solution
The fourth proportional to 10,935,008.20, 16,402,512.30 and 7,743,737.80 is: 11,615,606.70
Step by Step Solution
- Step 1: Write the proportion equation
10,935,008.20 : 16,402,512.30 = 7,743,737.80 : x - Step 2: Convert to fraction form
10,935,008.20/16,402,512.30 = 7,743,737.80/x - Step 3: Cross multiply
10,935,008.20x = 16,402,512.30 × 7,743,737.80 - Step 4: Simplify right side
10,935,008.20x = 127,016,754,512,474.94 - Step 5: Solve for x
x = 127,016,754,512,474.94/10,935,008.20 - Step 6: Final answer
x = 11,615,606.70
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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.