Finding the Fourth Proportional to 9,050,026.98, 12,489,283.59 and 4,920,335.99
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Solution
The fourth proportional to 9,050,026.98, 12,489,283.59 and 4,920,335.99 is: 6,790,197.60
Step by Step Solution
- Step 1: Write the proportion equation
9,050,026.98 : 12,489,283.59 = 4,920,335.99 : x - Step 2: Convert to fraction form
9,050,026.98/12,489,283.59 = 4,920,335.99/x - Step 3: Cross multiply
9,050,026.98x = 12,489,283.59 × 4,920,335.99 - Step 4: Simplify right side
9,050,026.98x = 61,451,471,503,130.53 - Step 5: Solve for x
x = 61,451,471,503,130.53/9,050,026.98 - Step 6: Final answer
x = 6,790,197.60
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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.