Finding the Fourth Proportional to 62,749,865.76, 94,124,872.56 and 19,619,296.80
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Solution
The fourth proportional to 62,749,865.76, 94,124,872.56 and 19,619,296.80 is: 29,428,968.31
Step by Step Solution
- Step 1: Write the proportion equation
62,749,865.76 : 94,124,872.56 = 19,619,296.80 : x - Step 2: Convert to fraction form
62,749,865.76/94,124,872.56 = 19,619,296.80/x - Step 3: Cross multiply
62,749,865.76x = 94,124,872.56 × 19,619,296.80 - Step 4: Simplify right side
62,749,865.76x = 1,846,663,811,016,816 - Step 5: Solve for x
x = 1,846,663,811,016,816/62,749,865.76 - Step 6: Final answer
x = 29,428,968.31
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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.