Finding the Fourth Proportional to 19,740,641.80, 29,568,972.30 and 16,381,409.80
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Solution
The fourth proportional to 19,740,641.80, 29,568,972.30 and 16,381,409.80 is: 24,537,269.74
Step by Step Solution
- Step 1: Write the proportion equation
19,740,641.80 : 29,568,972.30 = 16,381,409.80 : x - Step 2: Convert to fraction form
19,740,641.80/29,568,972.30 = 16,381,409.80/x - Step 3: Cross multiply
19,740,641.80x = 29,568,972.30 × 16,381,409.80 - Step 4: Simplify right side
19,740,641.80x = 484,381,452,611,148.56 - Step 5: Solve for x
x = 484,381,452,611,148.56/19,740,641.80 - Step 6: Final answer
x = 24,537,269.74
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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.