Finding the Fourth Proportional to 51,013,023.48, 76,511,645.60 and 18,657,359.01
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Solution
The fourth proportional to 51,013,023.48, 76,511,645.60 and 18,657,359.01 is: 27,983,152.99
Step by Step Solution
- Step 1: Write the proportion equation
51,013,023.48 : 76,511,645.60 = 18,657,359.01 : x - Step 2: Convert to fraction form
51,013,023.48/76,511,645.60 = 18,657,359.01/x - Step 3: Cross multiply
51,013,023.48x = 76,511,645.60 × 18,657,359.01 - Step 4: Simplify right side
51,013,023.48x = 1,427,505,240,311,800.25 - Step 5: Solve for x
x = 1,427,505,240,311,800.25/51,013,023.48 - Step 6: Final answer
x = 27,983,152.99
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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.