Finding the Fourth Proportional to 27,306,952.62, 37,683,479.79 and 15,083,809.62
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Solution
The fourth proportional to 27,306,952.62, 37,683,479.79 and 15,083,809.62 is: 20,815,593.85
Step by Step Solution
- Step 1: Write the proportion equation
27,306,952.62 : 37,683,479.79 = 15,083,809.62 : x - Step 2: Convert to fraction form
27,306,952.62/37,683,479.79 = 15,083,809.62/x - Step 3: Cross multiply
27,306,952.62x = 37,683,479.79 × 15,083,809.62 - Step 4: Simplify right side
27,306,952.62x = 568,410,434,971,477.50 - Step 5: Solve for x
x = 568,410,434,971,477.50/27,306,952.62 - Step 6: Final answer
x = 20,815,593.85
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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.