Finding the Fourth Proportional to 17,513,639.84, 24,170,317.44 and 9,780,176.84
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Solution
The fourth proportional to 17,513,639.84, 24,170,317.44 and 9,780,176.84 is: 13,497,478.59
Step by Step Solution
- Step 1: Write the proportion equation
17,513,639.84 : 24,170,317.44 = 9,780,176.84 : x - Step 2: Convert to fraction form
17,513,639.84/24,170,317.44 = 9,780,176.84/x - Step 3: Cross multiply
17,513,639.84x = 24,170,317.44 × 9,780,176.84 - Step 4: Simplify right side
17,513,639.84x = 236,389,978,842,136.09 - Step 5: Solve for x
x = 236,389,978,842,136.09/17,513,639.84 - Step 6: Final answer
x = 13,497,478.59
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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.