Finding the Fourth Proportional to 10,511,860.32, 14,506,231.68 and 5,929,657.92
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Solution
The fourth proportional to 10,511,860.32, 14,506,231.68 and 5,929,657.92 is: 8,182,851.46
Step by Step Solution
- Step 1: Write the proportion equation
10,511,860.32 : 14,506,231.68 = 5,929,657.92 : x - Step 2: Convert to fraction form
10,511,860.32/14,506,231.68 = 5,929,657.92/x - Step 3: Cross multiply
10,511,860.32x = 14,506,231.68 × 5,929,657.92 - Step 4: Simplify right side
10,511,860.32x = 86,016,991,570,666.91 - Step 5: Solve for x
x = 86,016,991,570,666.91/10,511,860.32 - Step 6: Final answer
x = 8,182,851.46
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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.