Finding the Fourth Proportional to 10,510,526.43, 14,511,698.34 and 6,798,355.70
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Solution
The fourth proportional to 10,510,526.43, 14,511,698.34 and 6,798,355.70 is: 9,386,369.72
Step by Step Solution
- Step 1: Write the proportion equation
10,510,526.43 : 14,511,698.34 = 6,798,355.70 : x - Step 2: Convert to fraction form
10,510,526.43/14,511,698.34 = 6,798,355.70/x - Step 3: Cross multiply
10,510,526.43x = 14,511,698.34 × 6,798,355.70 - Step 4: Simplify right side
10,510,526.43x = 98,655,687,053,861.05 - Step 5: Solve for x
x = 98,655,687,053,861.05/10,510,526.43 - Step 6: Final answer
x = 9,386,369.72
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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.