Finding the Fourth Proportional to 9,258,134.93, 12,775,662.58 and 5,127,921.21
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Solution
The fourth proportional to 9,258,134.93, 12,775,662.58 and 5,127,921.21 is: 7,076,219.09
Step by Step Solution
- Step 1: Write the proportion equation
9,258,134.93 : 12,775,662.58 = 5,127,921.21 : x - Step 2: Convert to fraction form
9,258,134.93/12,775,662.58 = 5,127,921.21/x - Step 3: Cross multiply
9,258,134.93x = 12,775,662.58 × 5,127,921.21 - Step 4: Simplify right side
9,258,134.93x = 65,512,591,115,785.32 - Step 5: Solve for x
x = 65,512,591,115,785.32/9,258,134.93 - Step 6: Final answer
x = 7,076,219.09
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1.5x scale
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.