Finding the Fourth Proportional to 49,911,356.16, 68,876,402.58 and 27,885,021.02
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Solution
The fourth proportional to 49,911,356.16, 68,876,402.58 and 27,885,021.02 is: 38,480,620.07
Step by Step Solution
- Step 1: Write the proportion equation
49,911,356.16 : 68,876,402.58 = 27,885,021.02 : x - Step 2: Convert to fraction form
49,911,356.16/68,876,402.58 = 27,885,021.02/x - Step 3: Cross multiply
49,911,356.16x = 68,876,402.58 × 27,885,021.02 - Step 4: Simplify right side
49,911,356.16x = 1,920,619,933,380,900.25 - Step 5: Solve for x
x = 1,920,619,933,380,900.25/49,911,356.16 - Step 6: Final answer
x = 38,480,620.07
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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.