Finding the Fourth Proportional to 17,987,928.94, 24,823,416.21 and 9,727,991.04
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Solution
The fourth proportional to 17,987,928.94, 24,823,416.21 and 9,727,991.04 is: 13,424,667.81
Step by Step Solution
- Step 1: Write the proportion equation
17,987,928.94 : 24,823,416.21 = 9,727,991.04 : x - Step 2: Convert to fraction form
17,987,928.94/24,823,416.21 = 9,727,991.04/x - Step 3: Cross multiply
17,987,928.94x = 24,823,416.21 × 9,727,991.04 - Step 4: Simplify right side
17,987,928.94x = 241,481,970,473,070.75 - Step 5: Solve for x
x = 241,481,970,473,070.75/17,987,928.94 - Step 6: Final answer
x = 13,424,667.81
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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.