Finding the Fourth Proportional to 7,227,884.28, 9,974,793.18 and 4,326,713.94
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Solution
The fourth proportional to 7,227,884.28, 9,974,793.18 and 4,326,713.94 is: 5,971,052.53
Step by Step Solution
- Step 1: Write the proportion equation
7,227,884.28 : 9,974,793.18 = 4,326,713.94 : x - Step 2: Convert to fraction form
7,227,884.28/9,974,793.18 = 4,326,713.94/x - Step 3: Cross multiply
7,227,884.28x = 9,974,793.18 × 4,326,713.94 - Step 4: Simplify right side
7,227,884.28x = 43,158,076,700,522.93 - Step 5: Solve for x
x = 43,158,076,700,522.93/7,227,884.28 - Step 6: Final answer
x = 5,971,052.53
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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.