Finding the Fourth Proportional to 15,578,388.87, 23,346,695.33 and 12,124,299.15
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Solution
The fourth proportional to 15,578,388.87, 23,346,695.33 and 12,124,299.15 is: 18,170,192.09
Step by Step Solution
- Step 1: Write the proportion equation
15,578,388.87 : 23,346,695.33 = 12,124,299.15 : x - Step 2: Convert to fraction form
15,578,388.87/23,346,695.33 = 12,124,299.15/x - Step 3: Cross multiply
15,578,388.87x = 23,346,695.33 × 12,124,299.15 - Step 4: Simplify right side
15,578,388.87x = 283,062,318,284,206.50 - Step 5: Solve for x
x = 283,062,318,284,206.50/15,578,388.87 - Step 6: Final answer
x = 18,170,192.09
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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.