Finding the Fourth Proportional to 7,268,315.42, 10,030,276.17 and 4,214,301.14
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Solution
The fourth proportional to 7,268,315.42, 10,030,276.17 and 4,214,301.14 is: 5,815,736.09
Step by Step Solution
- Step 1: Write the proportion equation
7,268,315.42 : 10,030,276.17 = 4,214,301.14 : x - Step 2: Convert to fraction form
7,268,315.42/10,030,276.17 = 4,214,301.14/x - Step 3: Cross multiply
7,268,315.42x = 10,030,276.17 × 4,214,301.14 - Step 4: Simplify right side
7,268,315.42x = 42,270,604,322,821.52 - Step 5: Solve for x
x = 42,270,604,322,821.52/7,268,315.42 - Step 6: Final answer
x = 5,815,736.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.