Finding the Fourth Proportional to 49,304,605.68, 68,034,374.75 and 28,403,404.81
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Solution
The fourth proportional to 49,304,605.68, 68,034,374.75 and 28,403,404.81 is: 39,193,253.05
Step by Step Solution
- Step 1: Write the proportion equation
49,304,605.68 : 68,034,374.75 = 28,403,404.81 : x - Step 2: Convert to fraction form
49,304,605.68/68,034,374.75 = 28,403,404.81/x - Step 3: Cross multiply
49,304,605.68x = 68,034,374.75 × 28,403,404.81 - Step 4: Simplify right side
49,304,605.68x = 1,932,407,886,920,415.25 - Step 5: Solve for x
x = 1,932,407,886,920,415.25/49,304,605.68 - Step 6: Final answer
x = 39,193,253.05
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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.