Finding the Fourth Proportional to 36,657,138.60, 55,021,137.30 and 18,481,856.40
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Solution
The fourth proportional to 36,657,138.60, 55,021,137.30 and 18,481,856.40 is: 27,740,647.45
Step by Step Solution
- Step 1: Write the proportion equation
36,657,138.60 : 55,021,137.30 = 18,481,856.40 : x - Step 2: Convert to fraction form
36,657,138.60/55,021,137.30 = 18,481,856.40/x - Step 3: Cross multiply
36,657,138.60x = 55,021,137.30 × 18,481,856.40 - Step 4: Simplify right side
36,657,138.60x = 1,016,892,758,543,283.62 - Step 5: Solve for x
x = 1,016,892,758,543,283.62/36,657,138.60 - Step 6: Final answer
x = 27,740,647.45
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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.