Finding the Fourth Proportional to 9,341,752.01, 12,891,625.88 and 5,211,783.99
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Solution
The fourth proportional to 9,341,752.01, 12,891,625.88 and 5,211,783.99 is: 7,192,266.43
Step by Step Solution
- Step 1: Write the proportion equation
9,341,752.01 : 12,891,625.88 = 5,211,783.99 : x - Step 2: Convert to fraction form
9,341,752.01/12,891,625.88 = 5,211,783.99/x - Step 3: Cross multiply
9,341,752.01x = 12,891,625.88 × 5,211,783.99 - Step 4: Simplify right side
9,341,752.01x = 67,188,369,340,394.74 - Step 5: Solve for x
x = 67,188,369,340,394.74/9,341,752.01 - Step 6: Final answer
x = 7,192,266.43
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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.