Finding the Fourth Proportional to 14,427,288.23, 19,909,414.46 and 7,988,621.99
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Solution
The fourth proportional to 14,427,288.23, 19,909,414.46 and 7,988,621.99 is: 11,024,163.63
Step by Step Solution
- Step 1: Write the proportion equation
14,427,288.23 : 19,909,414.46 = 7,988,621.99 : x - Step 2: Convert to fraction form
14,427,288.23/19,909,414.46 = 7,988,621.99/x - Step 3: Cross multiply
14,427,288.23x = 19,909,414.46 × 7,988,621.99 - Step 4: Simplify right side
14,427,288.23x = 159,048,786,123,236.84 - Step 5: Solve for x
x = 159,048,786,123,236.84/14,427,288.23 - Step 6: Final answer
x = 11,024,163.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.