Finding the Fourth Proportional to 16,110,500.78, 22,232,963.19 and 8,768,809.44
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Solution
The fourth proportional to 16,110,500.78, 22,232,963.19 and 8,768,809.44 is: 12,101,213.99
Step by Step Solution
- Step 1: Write the proportion equation
16,110,500.78 : 22,232,963.19 = 8,768,809.44 : x - Step 2: Convert to fraction form
16,110,500.78/22,232,963.19 = 8,768,809.44/x - Step 3: Cross multiply
16,110,500.78x = 22,232,963.19 × 8,768,809.44 - Step 4: Simplify right side
16,110,500.78x = 194,956,617,499,644.50 - Step 5: Solve for x
x = 194,956,617,499,644.50/16,110,500.78 - Step 6: Final answer
x = 12,101,213.99
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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.