Finding the Fourth Proportional to 14,219,123,204, 19,622,707,087.20 and 8,115,353,328.96
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Solution
The fourth proportional to 14,219,123,204, 19,622,707,087.20 and 8,115,353,328.96 is: 11,199,368,554.49
Step by Step Solution
- Step 1: Write the proportion equation
14,219,123,204 : 19,622,707,087.20 = 8,115,353,328.96 : x - Step 2: Convert to fraction form
14,219,123,204/19,622,707,087.20 = 8,115,353,328.96/x - Step 3: Cross multiply
14,219,123,204x = 19,622,707,087.20 × 8,115,353,328.96 - Step 4: Simplify right side
14,219,123,204x = 159,245,201,283,315,499,008 - Step 5: Solve for x
x = 159,245,201,283,315,499,008/14,219,123,204 - Step 6: Final answer
x = 11,199,368,554.49
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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.