Finding the Fourth Proportional to 48,478,968.30, 72,743,888.61 and 18,207,726.06
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Solution
The fourth proportional to 48,478,968.30, 72,743,888.61 and 18,207,726.06 is: 27,321,142.40
Step by Step Solution
- Step 1: Write the proportion equation
48,478,968.30 : 72,743,888.61 = 18,207,726.06 : x - Step 2: Convert to fraction form
48,478,968.30/72,743,888.61 = 18,207,726.06/x - Step 3: Cross multiply
48,478,968.30x = 72,743,888.61 × 18,207,726.06 - Step 4: Simplify right side
48,478,968.30x = 1,324,500,796,350,034 - Step 5: Solve for x
x = 1,324,500,796,350,034/48,478,968.30 - Step 6: Final answer
x = 27,321,142.40
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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.