Finding the Fourth Proportional to 21,304,390.08, 29,400,635.70 and 13,044,295.20
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Solution
The fourth proportional to 21,304,390.08, 29,400,635.70 and 13,044,295.20 is: 18,001,480.90
Step by Step Solution
- Step 1: Write the proportion equation
21,304,390.08 : 29,400,635.70 = 13,044,295.20 : x - Step 2: Convert to fraction form
21,304,390.08/29,400,635.70 = 13,044,295.20/x - Step 3: Cross multiply
21,304,390.08x = 29,400,635.70 × 13,044,295.20 - Step 4: Simplify right side
21,304,390.08x = 383,510,571,138,458.62 - Step 5: Solve for x
x = 383,510,571,138,458.62/21,304,390.08 - Step 6: Final answer
x = 18,001,480.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.