Finding the Fourth Proportional to 43,712,494.68, 60,330,331.26 and 25,388,409.72
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Solution
The fourth proportional to 43,712,494.68, 60,330,331.26 and 25,388,409.72 is: 35,040,122.50
Step by Step Solution
- Step 1: Write the proportion equation
43,712,494.68 : 60,330,331.26 = 25,388,409.72 : x - Step 2: Convert to fraction form
43,712,494.68/60,330,331.26 = 25,388,409.72/x - Step 3: Cross multiply
43,712,494.68x = 60,330,331.26 × 25,388,409.72 - Step 4: Simplify right side
43,712,494.68x = 1,531,691,168,572,203.75 - Step 5: Solve for x
x = 1,531,691,168,572,203.75/43,712,494.68 - Step 6: Final answer
x = 35,040,122.50
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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.