Finding the Fourth Proportional to 21,518,737.38, 32,280,902.19 and 8,739,658.98
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Solution
The fourth proportional to 21,518,737.38, 32,280,902.19 and 8,739,658.98 is: 13,110,624.09
Step by Step Solution
- Step 1: Write the proportion equation
21,518,737.38 : 32,280,902.19 = 8,739,658.98 : x - Step 2: Convert to fraction form
21,518,737.38/32,280,902.19 = 8,739,658.98/x - Step 3: Cross multiply
21,518,737.38x = 32,280,902.19 × 8,739,658.98 - Step 4: Simplify right side
21,518,737.38x = 282,124,076,707,335.19 - Step 5: Solve for x
x = 282,124,076,707,335.19/21,518,737.38 - Step 6: Final answer
x = 13,110,624.09
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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.