Finding the Fourth Proportional to 42,875,716.34, 64,313,447.23 and 12,170,321.68
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Solution
The fourth proportional to 42,875,716.34, 64,313,447.23 and 12,170,321.68 is: 18,255,446.39
Step by Step Solution
- Step 1: Write the proportion equation
42,875,716.34 : 64,313,447.23 = 12,170,321.68 : x - Step 2: Convert to fraction form
42,875,716.34/64,313,447.23 = 12,170,321.68/x - Step 3: Cross multiply
42,875,716.34x = 64,313,447.23 × 12,170,321.68 - Step 4: Simplify right side
42,875,716.34x = 782,715,341,138,804.88 - Step 5: Solve for x
x = 782,715,341,138,804.88/42,875,716.34 - Step 6: Final answer
x = 18,255,446.39
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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.