Finding the Fourth Proportional to 10,919,587.80, 16,379,381.70 and 2,941,411.80
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Solution
The fourth proportional to 10,919,587.80, 16,379,381.70 and 2,941,411.80 is: 4,412,117.70
Step by Step Solution
- Step 1: Write the proportion equation
10,919,587.80 : 16,379,381.70 = 2,941,411.80 : x - Step 2: Convert to fraction form
10,919,587.80/16,379,381.70 = 2,941,411.80/x - Step 3: Cross multiply
10,919,587.80x = 16,379,381.70 × 2,941,411.80 - Step 4: Simplify right side
10,919,587.80x = 48,178,506,609,084.05 - Step 5: Solve for x
x = 48,178,506,609,084.05/10,919,587.80 - Step 6: Final answer
x = 4,412,117.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.