Finding the Fourth Proportional to 53,007,128.04, 79,512,470.82 and 14,665,431.36
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Solution
The fourth proportional to 53,007,128.04, 79,512,470.82 and 14,665,431.36 is: 21,998,639.17
Step by Step Solution
- Step 1: Write the proportion equation
53,007,128.04 : 79,512,470.82 = 14,665,431.36 : x - Step 2: Convert to fraction form
53,007,128.04/79,512,470.82 = 14,665,431.36/x - Step 3: Cross multiply
53,007,128.04x = 79,512,470.82 × 14,665,431.36 - Step 4: Simplify right side
53,007,128.04x = 1,166,084,683,074,712.75 - Step 5: Solve for x
x = 1,166,084,683,074,712.75/53,007,128.04 - Step 6: Final answer
x = 21,998,639.17
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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.