Finding the Fourth Proportional to 12,230,503.56, 16,878,283.74 and 6,724,117.08
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Solution
The fourth proportional to 12,230,503.56, 16,878,283.74 and 6,724,117.08 is: 9,279,385.38
Step by Step Solution
- Step 1: Write the proportion equation
12,230,503.56 : 16,878,283.74 = 6,724,117.08 : x - Step 2: Convert to fraction form
12,230,503.56/16,878,283.74 = 6,724,117.08/x - Step 3: Cross multiply
12,230,503.56x = 16,878,283.74 × 6,724,117.08 - Step 4: Simplify right side
12,230,503.56x = 113,491,555,977,220.27 - Step 5: Solve for x
x = 113,491,555,977,220.27/12,230,503.56 - Step 6: Final answer
x = 9,279,385.38
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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.