Finding the Fourth Proportional to 38,997,871.84, 53,816,401.84 and 21,593,842.48
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Solution
The fourth proportional to 38,997,871.84, 53,816,401.84 and 21,593,842.48 is: 29,799,136.45
Step by Step Solution
- Step 1: Write the proportion equation
38,997,871.84 : 53,816,401.84 = 21,593,842.48 : x - Step 2: Convert to fraction form
38,997,871.84/53,816,401.84 = 21,593,842.48/x - Step 3: Cross multiply
38,997,871.84x = 53,816,401.84 × 21,593,842.48 - Step 4: Simplify right side
38,997,871.84x = 1,162,102,904,173,342.25 - Step 5: Solve for x
x = 1,162,102,904,173,342.25/38,997,871.84 - Step 6: Final answer
x = 29,799,136.45
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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.