Finding the Fourth Proportional to 38,771,253.05, 53,512,268.76 and 23,099,458.23
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Solution
The fourth proportional to 38,771,253.05, 53,512,268.76 and 23,099,458.23 is: 31,881,982.65
Step by Step Solution
- Step 1: Write the proportion equation
38,771,253.05 : 53,512,268.76 = 23,099,458.23 : x - Step 2: Convert to fraction form
38,771,253.05/53,512,268.76 = 23,099,458.23/x - Step 3: Cross multiply
38,771,253.05x = 53,512,268.76 × 23,099,458.23 - Step 4: Simplify right side
38,771,253.05x = 1,236,104,417,014,153.75 - Step 5: Solve for x
x = 1,236,104,417,014,153.75/38,771,253.05 - Step 6: Final answer
x = 31,881,982.65
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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.