Finding the Fourth Proportional to 26,586,801.21, 39,880,201.96 and 8,403,766.40
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Solution
The fourth proportional to 26,586,801.21, 39,880,201.96 and 8,403,766.40 is: 12,605,649.65
Step by Step Solution
- Step 1: Write the proportion equation
26,586,801.21 : 39,880,201.96 = 8,403,766.40 : x - Step 2: Convert to fraction form
26,586,801.21/39,880,201.96 = 8,403,766.40/x - Step 3: Cross multiply
26,586,801.21x = 39,880,201.96 × 8,403,766.40 - Step 4: Simplify right side
26,586,801.21x = 335,143,901,256,662.19 - Step 5: Solve for x
x = 335,143,901,256,662.19/26,586,801.21 - Step 6: Final answer
x = 12,605,649.65
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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.