Finding the Fourth Proportional to 11,215,497.60, 16,823,246.40 and 3,643,228.80
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Solution
The fourth proportional to 11,215,497.60, 16,823,246.40 and 3,643,228.80 is: 5,464,843.20
Step by Step Solution
- Step 1: Write the proportion equation
11,215,497.60 : 16,823,246.40 = 3,643,228.80 : x - Step 2: Convert to fraction form
11,215,497.60/16,823,246.40 = 3,643,228.80/x - Step 3: Cross multiply
11,215,497.60x = 16,823,246.40 × 3,643,228.80 - Step 4: Simplify right side
11,215,497.60x = 61,290,935,793,976.31 - Step 5: Solve for x
x = 61,290,935,793,976.31/11,215,497.60 - Step 6: Final answer
x = 5,464,843.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.