Finding the Fourth Proportional to 14,497,435.46, 20,006,536.08 and 7,971,485.29
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Solution
The fourth proportional to 14,497,435.46, 20,006,536.08 and 7,971,485.29 is: 11,000,691.02
Step by Step Solution
- Step 1: Write the proportion equation
14,497,435.46 : 20,006,536.08 = 7,971,485.29 : x - Step 2: Convert to fraction form
14,497,435.46/20,006,536.08 = 7,971,485.29/x - Step 3: Cross multiply
14,497,435.46x = 20,006,536.08 × 7,971,485.29 - Step 4: Simplify right side
14,497,435.46x = 159,481,808,065,574.25 - Step 5: Solve for x
x = 159,481,808,065,574.25/14,497,435.46 - Step 6: Final answer
x = 11,000,691.02
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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.