Finding the Fourth Proportional to 38,771,242.82, 53,512,254.63 and 23,099,448
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Solution
The fourth proportional to 38,771,242.82, 53,512,254.63 and 23,099,448 is: 31,881,968.53
Step by Step Solution
- Step 1: Write the proportion equation
38,771,242.82 : 53,512,254.63 = 23,099,448 : x - Step 2: Convert to fraction form
38,771,242.82/53,512,254.63 = 23,099,448/x - Step 3: Cross multiply
38,771,242.82x = 53,512,254.63 × 23,099,448 - Step 4: Simplify right side
38,771,242.82x = 1,236,103,543,188,444.25 - Step 5: Solve for x
x = 1,236,103,543,188,444.25/38,771,242.82 - Step 6: Final answer
x = 31,881,968.53
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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.