Finding the Fourth Proportional to 7,687,737.48, 10,609,299.15 and 4,250,199.94
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Solution
The fourth proportional to 7,687,737.48, 10,609,299.15 and 4,250,199.94 is: 5,865,398.34
Step by Step Solution
- Step 1: Write the proportion equation
7,687,737.48 : 10,609,299.15 = 4,250,199.94 : x - Step 2: Convert to fraction form
7,687,737.48/10,609,299.15 = 4,250,199.94/x - Step 3: Cross multiply
7,687,737.48x = 10,609,299.15 × 4,250,199.94 - Step 4: Simplify right side
7,687,737.48x = 45,091,642,639,971.93 - Step 5: Solve for x
x = 45,091,642,639,971.93/7,687,737.48 - Step 6: Final answer
x = 5,865,398.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.