Finding the Fourth Proportional to 56,198,745.70, 84,303,901.21 and 21,213,328.07
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Solution
The fourth proportional to 56,198,745.70, 84,303,901.21 and 21,213,328.07 is: 31,822,174.88
Step by Step Solution
- Step 1: Write the proportion equation
56,198,745.70 : 84,303,901.21 = 21,213,328.07 : x - Step 2: Convert to fraction form
56,198,745.70/84,303,901.21 = 21,213,328.07/x - Step 3: Cross multiply
56,198,745.70x = 84,303,901.21 × 21,213,328.07 - Step 4: Simplify right side
56,198,745.70x = 1,788,366,313,731,501.25 - Step 5: Solve for x
x = 1,788,366,313,731,501.25/56,198,745.70 - Step 6: Final answer
x = 31,822,174.88
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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.