Finding the Fourth Proportional to 19,516,438.38, 29,276,093.97 and 5,139,404.94
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Solution
The fourth proportional to 19,516,438.38, 29,276,093.97 and 5,139,404.94 is: 7,709,485.67
Step by Step Solution
- Step 1: Write the proportion equation
19,516,438.38 : 29,276,093.97 = 5,139,404.94 : x - Step 2: Convert to fraction form
19,516,438.38/29,276,093.97 = 5,139,404.94/x - Step 3: Cross multiply
19,516,438.38x = 29,276,093.97 × 5,139,404.94 - Step 4: Simplify right side
19,516,438.38x = 150,461,701,973,322.22 - Step 5: Solve for x
x = 150,461,701,973,322.22/19,516,438.38 - Step 6: Final answer
x = 7,709,485.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.