Finding the Fourth Proportional to 33,156,853.60, 49,720,534.80 and 15,211,458.40
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Solution
The fourth proportional to 33,156,853.60, 49,720,534.80 and 15,211,458.40 is: 22,810,422.72
Step by Step Solution
- Step 1: Write the proportion equation
33,156,853.60 : 49,720,534.80 = 15,211,458.40 : x - Step 2: Convert to fraction form
33,156,853.60/49,720,534.80 = 15,211,458.40/x - Step 3: Cross multiply
33,156,853.60x = 49,720,534.80 × 15,211,458.40 - Step 4: Simplify right side
33,156,853.60x = 756,321,846,735,952.25 - Step 5: Solve for x
x = 756,321,846,735,952.25/33,156,853.60 - Step 6: Final answer
x = 22,810,422.72
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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.