Finding the Fourth Proportional to 38,153,900.40, 57,256,362.29 and 16,299,386.99
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Solution
The fourth proportional to 38,153,900.40, 57,256,362.29 and 16,299,386.99 is: 24,459,979.11
Step by Step Solution
- Step 1: Write the proportion equation
38,153,900.40 : 57,256,362.29 = 16,299,386.99 : x - Step 2: Convert to fraction form
38,153,900.40/57,256,362.29 = 16,299,386.99/x - Step 3: Cross multiply
38,153,900.40x = 57,256,362.29 × 16,299,386.99 - Step 4: Simplify right side
38,153,900.40x = 933,243,606,573,530.50 - Step 5: Solve for x
x = 933,243,606,573,530.50/38,153,900.40 - Step 6: Final answer
x = 24,459,979.11
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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.