Finding the Fourth Proportional to 28,471,622, 42,775,565.19 and 18,256,495.53
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Solution
The fourth proportional to 28,471,622, 42,775,565.19 and 18,256,495.53 is: 27,428,430.83
Step by Step Solution
- Step 1: Write the proportion equation
28,471,622 : 42,775,565.19 = 18,256,495.53 : x - Step 2: Convert to fraction form
28,471,622/42,775,565.19 = 18,256,495.53/x - Step 3: Cross multiply
28,471,622x = 42,775,565.19 × 18,256,495.53 - Step 4: Simplify right side
28,471,622x = 780,931,914,684,458.62 - Step 5: Solve for x
x = 780,931,914,684,458.62/28,471,622 - Step 6: Final answer
x = 27,428,430.83
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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.