Finding the Fourth Proportional to 18,341,702.40, 27,533,548.80 and 10,772,932.80
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Solution
The fourth proportional to 18,341,702.40, 27,533,548.80 and 10,772,932.80 is: 16,171,730.66
Step by Step Solution
- Step 1: Write the proportion equation
18,341,702.40 : 27,533,548.80 = 10,772,932.80 : x - Step 2: Convert to fraction form
18,341,702.40/27,533,548.80 = 10,772,932.80/x - Step 3: Cross multiply
18,341,702.40x = 27,533,548.80 × 10,772,932.80 - Step 4: Simplify right side
18,341,702.40x = 296,617,070,967,920.69 - Step 5: Solve for x
x = 296,617,070,967,920.69/18,341,702.40 - Step 6: Final answer
x = 16,171,730.66
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1.5x scale
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.