Finding the Fourth Proportional to 11,356,223.21, 15,671,508.30 and 6,199,584.75
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Solution
The fourth proportional to 11,356,223.21, 15,671,508.30 and 6,199,584.75 is: 8,555,383.43
Step by Step Solution
- Step 1: Write the proportion equation
11,356,223.21 : 15,671,508.30 = 6,199,584.75 : x - Step 2: Convert to fraction form
11,356,223.21/15,671,508.30 = 6,199,584.75/x - Step 3: Cross multiply
11,356,223.21x = 15,671,508.30 × 6,199,584.75 - Step 4: Simplify right side
11,356,223.21x = 97,156,843,866,178.42 - Step 5: Solve for x
x = 97,156,843,866,178.42/11,356,223.21 - Step 6: Final answer
x = 8,555,383.43
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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.