Finding the Fourth Proportional to 36,777,406.84, 50,752,821.12 and 21,316,459.48
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Solution
The fourth proportional to 36,777,406.84, 50,752,821.12 and 21,316,459.48 is: 29,416,713.90
Step by Step Solution
- Step 1: Write the proportion equation
36,777,406.84 : 50,752,821.12 = 21,316,459.48 : x - Step 2: Convert to fraction form
36,777,406.84/50,752,821.12 = 21,316,459.48/x - Step 3: Cross multiply
36,777,406.84x = 50,752,821.12 × 21,316,459.48 - Step 4: Simplify right side
36,777,406.84x = 1,081,870,454,900,168.12 - Step 5: Solve for x
x = 1,081,870,454,900,168.12/36,777,406.84 - Step 6: Final answer
x = 29,416,713.90
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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.