Finding the Fourth Proportional to 66,827,430, 100,241,224.28 and 18,305,702.12
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Solution
The fourth proportional to 66,827,430, 100,241,224.28 and 18,305,702.12 is: 27,458,574.90
Step by Step Solution
- Step 1: Write the proportion equation
66,827,430 : 100,241,224.28 = 18,305,702.12 : x - Step 2: Convert to fraction form
66,827,430/100,241,224.28 = 18,305,702.12/x - Step 3: Cross multiply
66,827,430x = 100,241,224.28 × 18,305,702.12 - Step 4: Simplify right side
66,827,430x = 1,834,985,992,041,512.25 - Step 5: Solve for x
x = 1,834,985,992,041,512.25/66,827,430 - Step 6: Final answer
x = 27,458,574.90
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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.