Finding the Fourth Proportional to 27,999,282.42, 42,044,489.64 and 17,284,693.68
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Solution
The fourth proportional to 27,999,282.42, 42,044,489.64 and 17,284,693.68 is: 25,955,169.62
Step by Step Solution
- Step 1: Write the proportion equation
27,999,282.42 : 42,044,489.64 = 17,284,693.68 : x - Step 2: Convert to fraction form
27,999,282.42/42,044,489.64 = 17,284,693.68/x - Step 3: Cross multiply
27,999,282.42x = 42,044,489.64 × 17,284,693.68 - Step 4: Simplify right side
27,999,282.42x = 726,726,124,359,333.50 - Step 5: Solve for x
x = 726,726,124,359,333.50/27,999,282.42 - Step 6: Final answer
x = 25,955,169.62
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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.