Finding the Fourth Proportional to 7,328,237.40, 10,987,041.69 and 4,926,124.08
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Solution
The fourth proportional to 7,328,237.40, 10,987,041.69 and 4,926,124.08 is: 7,385,613.71
Step by Step Solution
- Step 1: Write the proportion equation
7,328,237.40 : 10,987,041.69 = 4,926,124.08 : x - Step 2: Convert to fraction form
7,328,237.40/10,987,041.69 = 4,926,124.08/x - Step 3: Cross multiply
7,328,237.40x = 10,987,041.69 × 4,926,124.08 - Step 4: Simplify right side
7,328,237.40x = 54,123,530,637,072.89 - Step 5: Solve for x
x = 54,123,530,637,072.89/7,328,237.40 - Step 6: Final answer
x = 7,385,613.71
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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.