Finding the Fourth Proportional to 13,029,728.73, 19,544,743.56 and 3,931,905.12
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Solution
The fourth proportional to 13,029,728.73, 19,544,743.56 and 3,931,905.12 is: 5,897,903.08
Step by Step Solution
- Step 1: Write the proportion equation
13,029,728.73 : 19,544,743.56 = 3,931,905.12 : x - Step 2: Convert to fraction form
13,029,728.73/19,544,743.56 = 3,931,905.12/x - Step 3: Cross multiply
13,029,728.73x = 19,544,743.56 × 3,931,905.12 - Step 4: Simplify right side
13,029,728.73x = 76,848,077,272,651.03 - Step 5: Solve for x
x = 76,848,077,272,651.03/13,029,728.73 - Step 6: Final answer
x = 5,897,903.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.