Finding the Fourth Proportional to 35,169,988.12, 48,558,269.88 and 21,959,281.84
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Solution
The fourth proportional to 35,169,988.12, 48,558,269.88 and 21,959,281.84 is: 30,318,598.07
Step by Step Solution
- Step 1: Write the proportion equation
35,169,988.12 : 48,558,269.88 = 21,959,281.84 : x - Step 2: Convert to fraction form
35,169,988.12/48,558,269.88 = 21,959,281.84/x - Step 3: Cross multiply
35,169,988.12x = 48,558,269.88 × 21,959,281.84 - Step 4: Simplify right side
35,169,988.12x = 1,066,304,733,957,703 - Step 5: Solve for x
x = 1,066,304,733,957,703/35,169,988.12 - Step 6: Final answer
x = 30,318,598.07
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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.