Finding the Fourth Proportional to 26,345,422.13, 39,540,833.49 and 18,264,072.80
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Solution
The fourth proportional to 26,345,422.13, 39,540,833.49 and 18,264,072.80 is: 27,411,846.27
Step by Step Solution
- Step 1: Write the proportion equation
26,345,422.13 : 39,540,833.49 = 18,264,072.80 : x - Step 2: Convert to fraction form
26,345,422.13/39,540,833.49 = 18,264,072.80/x - Step 3: Cross multiply
26,345,422.13x = 39,540,833.49 × 18,264,072.80 - Step 4: Simplify right side
26,345,422.13x = 722,176,661,236,334 - Step 5: Solve for x
x = 722,176,661,236,334/26,345,422.13 - Step 6: Final answer
x = 27,411,846.27
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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.