Finding the Fourth Proportional to 15,578,381.73, 23,346,684.64 and 12,124,292.03
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Solution
The fourth proportional to 15,578,381.73, 23,346,684.64 and 12,124,292.03 is: 18,170,181.43
Step by Step Solution
- Step 1: Write the proportion equation
15,578,381.73 : 23,346,684.64 = 12,124,292.03 : x - Step 2: Convert to fraction form
15,578,381.73/23,346,684.64 = 12,124,292.03/x - Step 3: Cross multiply
15,578,381.73x = 23,346,684.64 × 12,124,292.03 - Step 4: Simplify right side
15,578,381.73x = 283,062,022,360,631.25 - Step 5: Solve for x
x = 283,062,022,360,631.25/15,578,381.73 - Step 6: Final answer
x = 18,170,181.43
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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.