Finding the Fourth Proportional to 17,999,528.96, 27,017,955.84 and 12,057,420.80
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Solution
The fourth proportional to 17,999,528.96, 27,017,955.84 and 12,057,420.80 is: 18,098,632.66
Step by Step Solution
- Step 1: Write the proportion equation
17,999,528.96 : 27,017,955.84 = 12,057,420.80 : x - Step 2: Convert to fraction form
17,999,528.96/27,017,955.84 = 12,057,420.80/x - Step 3: Cross multiply
17,999,528.96x = 27,017,955.84 × 12,057,420.80 - Step 4: Simplify right side
17,999,528.96x = 325,766,862,718,697.50 - Step 5: Solve for x
x = 325,766,862,718,697.50/17,999,528.96 - Step 6: Final answer
x = 18,098,632.66
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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.