Finding the Fourth Proportional to 45,674,948.08, 68,512,541.16 and 15,404,074.48
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Solution
The fourth proportional to 45,674,948.08, 68,512,541.16 and 15,404,074.48 is: 23,106,151.87
Step by Step Solution
- Step 1: Write the proportion equation
45,674,948.08 : 68,512,541.16 = 15,404,074.48 : x - Step 2: Convert to fraction form
45,674,948.08/68,512,541.16 = 15,404,074.48/x - Step 3: Cross multiply
45,674,948.08x = 68,512,541.16 × 15,404,074.48 - Step 4: Simplify right side
45,674,948.08x = 1,055,372,286,842,705.62 - Step 5: Solve for x
x = 1,055,372,286,842,705.62/45,674,948.08 - Step 6: Final answer
x = 23,106,151.87
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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.