Finding the Fourth Proportional to 15,255,727.20, 22,883,590.80 and 8,064,482.40
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Solution
The fourth proportional to 15,255,727.20, 22,883,590.80 and 8,064,482.40 is: 12,096,723.60
Step by Step Solution
- Step 1: Write the proportion equation
15,255,727.20 : 22,883,590.80 = 8,064,482.40 : x - Step 2: Convert to fraction form
15,255,727.20/22,883,590.80 = 8,064,482.40/x - Step 3: Cross multiply
15,255,727.20x = 22,883,590.80 × 8,064,482.40 - Step 4: Simplify right side
15,255,727.20x = 184,544,315,255,401.94 - Step 5: Solve for x
x = 184,544,315,255,401.94/15,255,727.20 - Step 6: Final answer
x = 12,096,723.60
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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.