Finding the Fourth Proportional to 19,020,369.66, 28,512,804.96 and 7,505,932.92
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Solution
The fourth proportional to 19,020,369.66, 28,512,804.96 and 7,505,932.92 is: 11,251,894.95
Step by Step Solution
- Step 1: Write the proportion equation
19,020,369.66 : 28,512,804.96 = 7,505,932.92 : x - Step 2: Convert to fraction form
19,020,369.66/28,512,804.96 = 7,505,932.92/x - Step 3: Cross multiply
19,020,369.66x = 28,512,804.96 × 7,505,932.92 - Step 4: Simplify right side
19,020,369.66x = 214,015,201,390,803.28 - Step 5: Solve for x
x = 214,015,201,390,803.28/19,020,369.66 - Step 6: Final answer
x = 11,251,894.95
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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.