Finding the Fourth Proportional to 12,080,630.84, 16,671,272.98 and 6,648,122.84
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Solution
The fourth proportional to 12,080,630.84, 16,671,272.98 and 6,648,122.84 is: 9,174,410.85
Step by Step Solution
- Step 1: Write the proportion equation
12,080,630.84 : 16,671,272.98 = 6,648,122.84 : x - Step 2: Convert to fraction form
12,080,630.84/16,671,272.98 = 6,648,122.84/x - Step 3: Cross multiply
12,080,630.84x = 16,671,272.98 × 6,648,122.84 - Step 4: Simplify right side
12,080,630.84x = 110,832,670,670,212.86 - Step 5: Solve for x
x = 110,832,670,670,212.86/12,080,630.84 - Step 6: Final answer
x = 9,174,410.85
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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.