Finding the Fourth Proportional to 9,117,454.90, 13,676,182.35 and 5,328,987.70
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Solution
The fourth proportional to 9,117,454.90, 13,676,182.35 and 5,328,987.70 is: 7,993,481.55
Step by Step Solution
- Step 1: Write the proportion equation
9,117,454.90 : 13,676,182.35 = 5,328,987.70 : x - Step 2: Convert to fraction form
9,117,454.90/13,676,182.35 = 5,328,987.70/x - Step 3: Cross multiply
9,117,454.90x = 13,676,182.35 × 5,328,987.70 - Step 4: Simplify right side
9,117,454.90x = 72,880,207,526,107.09 - Step 5: Solve for x
x = 72,880,207,526,107.09/9,117,454.90 - Step 6: Final answer
x = 7,993,481.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.