Finding the Fourth Proportional to 10,743,984.18, 16,121,574.99 and 4,758,952.50
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Solution
The fourth proportional to 10,743,984.18, 16,121,574.99 and 4,758,952.50 is: 7,140,908.65
Step by Step Solution
- Step 1: Write the proportion equation
10,743,984.18 : 16,121,574.99 = 4,758,952.50 : x - Step 2: Convert to fraction form
10,743,984.18/16,121,574.99 = 4,758,952.50/x - Step 3: Cross multiply
10,743,984.18x = 16,121,574.99 × 4,758,952.50 - Step 4: Simplify right side
10,743,984.18x = 76,721,809,602,597.97 - Step 5: Solve for x
x = 76,721,809,602,597.97/10,743,984.18 - Step 6: Final answer
x = 7,140,908.65
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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.