Finding the Fourth Proportional to 10,195,121.87, 15,292,724.03 and 4,129,968.29
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Solution
The fourth proportional to 10,195,121.87, 15,292,724.03 and 4,129,968.29 is: 6,194,969.14
Step by Step Solution
- Step 1: Write the proportion equation
10,195,121.87 : 15,292,724.03 = 4,129,968.29 : x - Step 2: Convert to fraction form
10,195,121.87/15,292,724.03 = 4,129,968.29/x - Step 3: Cross multiply
10,195,121.87x = 15,292,724.03 × 4,129,968.29 - Step 4: Simplify right side
10,195,121.87x = 63,158,465,290,971.17 - Step 5: Solve for x
x = 63,158,465,290,971.17/10,195,121.87 - Step 6: Final answer
x = 6,194,969.14
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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.