Finding the Fourth Proportional to 11,627,841.98, 16,046,265.30 and 6,471,202.16
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Solution
The fourth proportional to 11,627,841.98, 16,046,265.30 and 6,471,202.16 is: 8,930,171.81
Step by Step Solution
- Step 1: Write the proportion equation
11,627,841.98 : 16,046,265.30 = 6,471,202.16 : x - Step 2: Convert to fraction form
11,627,841.98/16,046,265.30 = 6,471,202.16/x - Step 3: Cross multiply
11,627,841.98x = 16,046,265.30 × 6,471,202.16 - Step 4: Simplify right side
11,627,841.98x = 103,838,626,669,293.06 - Step 5: Solve for x
x = 103,838,626,669,293.06/11,627,841.98 - Step 6: Final answer
x = 8,930,171.81
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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.