Finding the Fourth Proportional to 39,629,858.40, 59,388,800.40 and 29,314,216.80
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Solution
The fourth proportional to 39,629,858.40, 59,388,800.40 and 29,314,216.80 is: 43,929,911.45
Step by Step Solution
- Step 1: Write the proportion equation
39,629,858.40 : 59,388,800.40 = 29,314,216.80 : x - Step 2: Convert to fraction form
39,629,858.40/59,388,800.40 = 29,314,216.80/x - Step 3: Cross multiply
39,629,858.40x = 59,388,800.40 × 29,314,216.80 - Step 4: Simplify right side
39,629,858.40x = 1,740,936,170,417,526.75 - Step 5: Solve for x
x = 1,740,936,170,417,526.75/39,629,858.40 - Step 6: Final answer
x = 43,929,911.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.