Finding the Fourth Proportional to 26,979,845.13, 40,463,026.20 and 10,588,458.74
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Solution
The fourth proportional to 26,979,845.13, 40,463,026.20 and 10,588,458.74 is: 15,880,042.35
Step by Step Solution
- Step 1: Write the proportion equation
26,979,845.13 : 40,463,026.20 = 10,588,458.74 : x - Step 2: Convert to fraction form
26,979,845.13/40,463,026.20 = 10,588,458.74/x - Step 3: Cross multiply
26,979,845.13x = 40,463,026.20 × 10,588,458.74 - Step 4: Simplify right side
26,979,845.13x = 428,441,083,211,923.88 - Step 5: Solve for x
x = 428,441,083,211,923.88/26,979,845.13 - Step 6: Final answer
x = 15,880,042.35
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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.