Finding the Fourth Proportional to 38,473,232.48, 53,093,230.53 and 21,069,698.84
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Solution
The fourth proportional to 38,473,232.48, 53,093,230.53 and 21,069,698.84 is: 29,076,277.34
Step by Step Solution
- Step 1: Write the proportion equation
38,473,232.48 : 53,093,230.53 = 21,069,698.84 : x - Step 2: Convert to fraction form
38,473,232.48/53,093,230.53 = 21,069,698.84/x - Step 3: Cross multiply
38,473,232.48x = 53,093,230.53 × 21,069,698.84 - Step 4: Simplify right side
38,473,232.48x = 1,118,658,377,682,911.75 - Step 5: Solve for x
x = 1,118,658,377,682,911.75/38,473,232.48 - Step 6: Final answer
x = 29,076,277.34
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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.