Finding the Fourth Proportional to 51,264,479.36, 70,745,646 and 28,059,108.09
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Solution
The fourth proportional to 51,264,479.36, 70,745,646 and 28,059,108.09 is: 38,721,932.87
Step by Step Solution
- Step 1: Write the proportion equation
51,264,479.36 : 70,745,646 = 28,059,108.09 : x - Step 2: Convert to fraction form
51,264,479.36/70,745,646 = 28,059,108.09/x - Step 3: Cross multiply
51,264,479.36x = 70,745,646 × 28,059,108.09 - Step 4: Simplify right side
51,264,479.36x = 1,985,059,728,010,876.25 - Step 5: Solve for x
x = 1,985,059,728,010,876.25/51,264,479.36 - Step 6: Final answer
x = 38,721,932.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.