Finding the Fourth Proportional to 34,586,699.22, 47,729,835.63 and 18,905,748.84
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Solution
The fourth proportional to 34,586,699.22, 47,729,835.63 and 18,905,748.84 is: 26,090,037.64
Step by Step Solution
- Step 1: Write the proportion equation
34,586,699.22 : 47,729,835.63 = 18,905,748.84 : x - Step 2: Convert to fraction form
34,586,699.22/47,729,835.63 = 18,905,748.84/x - Step 3: Cross multiply
34,586,699.22x = 47,729,835.63 × 18,905,748.84 - Step 4: Simplify right side
34,586,699.22x = 902,368,284,595,263.25 - Step 5: Solve for x
x = 902,368,284,595,263.25/34,586,699.22 - Step 6: Final answer
x = 26,090,037.64
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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.