Finding the Fourth Proportional to 31,303,554.40, 46,955,331.60 and 8,584,415.20
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Solution
The fourth proportional to 31,303,554.40, 46,955,331.60 and 8,584,415.20 is: 12,876,622.80
Step by Step Solution
- Step 1: Write the proportion equation
31,303,554.40 : 46,955,331.60 = 8,584,415.20 : x - Step 2: Convert to fraction form
31,303,554.40/46,955,331.60 = 8,584,415.20/x - Step 3: Cross multiply
31,303,554.40x = 46,955,331.60 × 8,584,415.20 - Step 4: Simplify right side
31,303,554.40x = 403,084,062,308,080.31 - Step 5: Solve for x
x = 403,084,062,308,080.31/31,303,554.40 - Step 6: Final answer
x = 12,876,622.80
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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.