Finding the Fourth Proportional to 10,321,235.17, 14,243,670.12 and 5,675,374.06
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Solution
The fourth proportional to 10,321,235.17, 14,243,670.12 and 5,675,374.06 is: 7,832,217.23
Step by Step Solution
- Step 1: Write the proportion equation
10,321,235.17 : 14,243,670.12 = 5,675,374.06 : x - Step 2: Convert to fraction form
10,321,235.17/14,243,670.12 = 5,675,374.06/x - Step 3: Cross multiply
10,321,235.17x = 14,243,670.12 × 5,675,374.06 - Step 4: Simplify right side
10,321,235.17x = 80,838,155,918,245.08 - Step 5: Solve for x
x = 80,838,155,918,245.08/10,321,235.17 - Step 6: Final answer
x = 7,832,217.23
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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.