Finding the Fourth Proportional to 19,087,474.38, 28,595,086.44 and 11,283,023.40
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Solution
The fourth proportional to 19,087,474.38, 28,595,086.44 and 11,283,023.40 is: 16,903,180.75
Step by Step Solution
- Step 1: Write the proportion equation
19,087,474.38 : 28,595,086.44 = 11,283,023.40 : x - Step 2: Convert to fraction form
19,087,474.38/28,595,086.44 = 11,283,023.40/x - Step 3: Cross multiply
19,087,474.38x = 28,595,086.44 × 11,283,023.40 - Step 4: Simplify right side
19,087,474.38x = 322,639,029,427,542.75 - Step 5: Solve for x
x = 322,639,029,427,542.75/19,087,474.38 - Step 6: Final answer
x = 16,903,180.75
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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.