Finding the Fourth Proportional to 49,799,393.80, 74,657,618.70 and 21,067,592.20
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Solution
The fourth proportional to 49,799,393.80, 74,657,618.70 and 21,067,592.20 is: 31,583,843.60
Step by Step Solution
- Step 1: Write the proportion equation
49,799,393.80 : 74,657,618.70 = 21,067,592.20 : x - Step 2: Convert to fraction form
49,799,393.80/74,657,618.70 = 21,067,592.20/x - Step 3: Cross multiply
49,799,393.80x = 74,657,618.70 × 21,067,592.20 - Step 4: Simplify right side
49,799,393.80x = 1,572,856,265,394,694.25 - Step 5: Solve for x
x = 1,572,856,265,394,694.25/49,799,393.80 - Step 6: Final answer
x = 31,583,843.60
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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.