Finding the Fourth Proportional to 40,128,273.50, 55,380,432.74 and 22,727,714.18
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Solution
The fourth proportional to 40,128,273.50, 55,380,432.74 and 22,727,714.18 is: 31,366,179.91
Step by Step Solution
- Step 1: Write the proportion equation
40,128,273.50 : 55,380,432.74 = 22,727,714.18 : x - Step 2: Convert to fraction form
40,128,273.50/55,380,432.74 = 22,727,714.18/x - Step 3: Cross multiply
40,128,273.50x = 55,380,432.74 × 22,727,714.18 - Step 4: Simplify right side
40,128,273.50x = 1,258,670,646,088,893.50 - Step 5: Solve for x
x = 1,258,670,646,088,893.50/40,128,273.50 - Step 6: Final answer
x = 31,366,179.91
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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.