Finding the Fourth Proportional to 21,323,126.37, 31,984,783.30 and 6,750,117.48
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Solution
The fourth proportional to 21,323,126.37, 31,984,783.30 and 6,750,117.48 is: 10,125,205.90
Step by Step Solution
- Step 1: Write the proportion equation
21,323,126.37 : 31,984,783.30 = 6,750,117.48 : x - Step 2: Convert to fraction form
21,323,126.37/31,984,783.30 = 6,750,117.48/x - Step 3: Cross multiply
21,323,126.37x = 31,984,783.30 × 6,750,117.48 - Step 4: Simplify right side
21,323,126.37x = 215,901,044,975,722.66 - Step 5: Solve for x
x = 215,901,044,975,722.66/21,323,126.37 - Step 6: Final answer
x = 10,125,205.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.