Finding the Fourth Proportional to 12,647,103.84, 17,455,367.70 and 7,214,595.84
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Solution
The fourth proportional to 12,647,103.84, 17,455,367.70 and 7,214,595.84 is: 9,957,491.04
Step by Step Solution
- Step 1: Write the proportion equation
12,647,103.84 : 17,455,367.70 = 7,214,595.84 : x - Step 2: Convert to fraction form
12,647,103.84/17,455,367.70 = 7,214,595.84/x - Step 3: Cross multiply
12,647,103.84x = 17,455,367.70 × 7,214,595.84 - Step 4: Simplify right side
12,647,103.84x = 125,933,423,194,090.36 - Step 5: Solve for x
x = 125,933,423,194,090.36/12,647,103.84 - Step 6: Final answer
x = 9,957,491.04
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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.