Finding the Fourth Proportional to 38,320,451.95, 52,874,329.49 and 22,019,778.67
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Solution
The fourth proportional to 38,320,451.95, 52,874,329.49 and 22,019,778.67 is: 30,382,758.38
Step by Step Solution
- Step 1: Write the proportion equation
38,320,451.95 : 52,874,329.49 = 22,019,778.67 : x - Step 2: Convert to fraction form
38,320,451.95/52,874,329.49 = 22,019,778.67/x - Step 3: Cross multiply
38,320,451.95x = 52,874,329.49 × 22,019,778.67 - Step 4: Simplify right side
38,320,451.95x = 1,164,281,032,694,454 - Step 5: Solve for x
x = 1,164,281,032,694,454/38,320,451.95 - Step 6: Final answer
x = 30,382,758.38
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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.