Finding the Fourth Proportional to 10,306,306.61, 14,228,224.88 and 7,946,350.02
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Solution
The fourth proportional to 10,306,306.61, 14,228,224.88 and 7,946,350.02 is: 10,970,220.40
Step by Step Solution
- Step 1: Write the proportion equation
10,306,306.61 : 14,228,224.88 = 7,946,350.02 : x - Step 2: Convert to fraction form
10,306,306.61/14,228,224.88 = 7,946,350.02/x - Step 3: Cross multiply
10,306,306.61x = 14,228,224.88 × 7,946,350.02 - Step 4: Simplify right side
10,306,306.61x = 113,062,455,044,047.81 - Step 5: Solve for x
x = 113,062,455,044,047.81/10,306,306.61 - Step 6: Final answer
x = 10,970,220.40
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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.