Finding the Fourth Proportional to 9,563,120.75, 13,197,383.21 and 5,212,488.84
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Solution
The fourth proportional to 9,563,120.75, 13,197,383.21 and 5,212,488.84 is: 7,193,385.35
Step by Step Solution
- Step 1: Write the proportion equation
9,563,120.75 : 13,197,383.21 = 5,212,488.84 : x - Step 2: Convert to fraction form
9,563,120.75/13,197,383.21 = 5,212,488.84/x - Step 3: Cross multiply
9,563,120.75x = 13,197,383.21 × 5,212,488.84 - Step 4: Simplify right side
9,563,120.75x = 68,791,212,712,359.60 - Step 5: Solve for x
x = 68,791,212,712,359.60/9,563,120.75 - Step 6: Final answer
x = 7,193,385.35
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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.