Finding the Fourth Proportional to 10,306,707.68, 15,461,872.68 and 3,917,518.40
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Solution
The fourth proportional to 10,306,707.68, 15,461,872.68 and 3,917,518.40 is: 5,876,966.01
Step by Step Solution
- Step 1: Write the proportion equation
10,306,707.68 : 15,461,872.68 = 3,917,518.40 : x - Step 2: Convert to fraction form
10,306,707.68/15,461,872.68 = 3,917,518.40/x - Step 3: Cross multiply
10,306,707.68x = 15,461,872.68 × 3,917,518.40 - Step 4: Simplify right side
10,306,707.68x = 60,572,170,722,357.31 - Step 5: Solve for x
x = 60,572,170,722,357.31/10,306,707.68 - Step 6: Final answer
x = 5,876,966.01
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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.