Finding the Fourth Proportional to 40,128,227.35, 55,380,368.96 and 22,727,668.03
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Solution
The fourth proportional to 40,128,227.35, 55,380,368.96 and 22,727,668.03 is: 31,366,116.18
Step by Step Solution
- Step 1: Write the proportion equation
40,128,227.35 : 55,380,368.96 = 22,727,668.03 : x - Step 2: Convert to fraction form
40,128,227.35/55,380,368.96 = 22,727,668.03/x - Step 3: Cross multiply
40,128,227.35x = 55,380,368.96 × 22,727,668.03 - Step 4: Simplify right side
40,128,227.35x = 1,258,666,640,934,936 - Step 5: Solve for x
x = 1,258,666,640,934,936/40,128,227.35 - Step 6: Final answer
x = 31,366,116.18
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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.