Finding the Fourth Proportional to 14,022,829.05, 21,034,243.58 and 6,346,459.05
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Solution
The fourth proportional to 14,022,829.05, 21,034,243.58 and 6,346,459.05 is: 9,519,688.58
Step by Step Solution
- Step 1: Write the proportion equation
14,022,829.05 : 21,034,243.58 = 6,346,459.05 : x - Step 2: Convert to fraction form
14,022,829.05/21,034,243.58 = 6,346,459.05/x - Step 3: Cross multiply
14,022,829.05x = 21,034,243.58 × 6,346,459.05 - Step 4: Simplify right side
14,022,829.05x = 133,492,965,496,463.09 - Step 5: Solve for x
x = 133,492,965,496,463.09/14,022,829.05 - Step 6: Final answer
x = 9,519,688.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.