Finding the Fourth Proportional to 31,478,627.08, 47,160,395.16 and 22,821,286.60
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Solution
The fourth proportional to 31,478,627.08, 47,160,395.16 and 22,821,286.60 is: 34,190,210.75
Step by Step Solution
- Step 1: Write the proportion equation
31,478,627.08 : 47,160,395.16 = 22,821,286.60 : x - Step 2: Convert to fraction form
31,478,627.08/47,160,395.16 = 22,821,286.60/x - Step 3: Cross multiply
31,478,627.08x = 47,160,395.16 × 22,821,286.60 - Step 4: Simplify right side
31,478,627.08x = 1,076,260,894,115,612.88 - Step 5: Solve for x
x = 1,076,260,894,115,612.88/31,478,627.08 - Step 6: Final answer
x = 34,190,210.75
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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.