Finding the Fourth Proportional to 22,476,277.51, 31,017,263.02 and 12,163,000.60
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Solution
The fourth proportional to 22,476,277.51, 31,017,263.02 and 12,163,000.60 is: 16,784,940.86
Step by Step Solution
- Step 1: Write the proportion equation
22,476,277.51 : 31,017,263.02 = 12,163,000.60 : x - Step 2: Convert to fraction form
22,476,277.51/31,017,263.02 = 12,163,000.60/x - Step 3: Cross multiply
22,476,277.51x = 31,017,263.02 × 12,163,000.60 - Step 4: Simplify right side
22,476,277.51x = 377,262,988,799,398.75 - Step 5: Solve for x
x = 377,262,988,799,398.75/22,476,277.51 - Step 6: Final answer
x = 16,784,940.86
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1.5x scale
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.