Finding the Fourth Proportional to 38,465,096.68, 53,081,430.58 and 20,823,604.68
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Solution
The fourth proportional to 38,465,096.68, 53,081,430.58 and 20,823,604.68 is: 28,736,356.38
Step by Step Solution
- Step 1: Write the proportion equation
38,465,096.68 : 53,081,430.58 = 20,823,604.68 : x - Step 2: Convert to fraction form
38,465,096.68/53,081,430.58 = 20,823,604.68/x - Step 3: Cross multiply
38,465,096.68x = 53,081,430.58 × 20,823,604.68 - Step 4: Simplify right side
38,465,096.68x = 1,105,346,726,246,783 - Step 5: Solve for x
x = 1,105,346,726,246,783/38,465,096.68 - Step 6: Final answer
x = 28,736,356.38
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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.