Finding the Fourth Proportional to 10,022,328.97, 13,830,813.99 and 5,438,650.34
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Solution
The fourth proportional to 10,022,328.97, 13,830,813.99 and 5,438,650.34 is: 7,505,337.48
Step by Step Solution
- Step 1: Write the proportion equation
10,022,328.97 : 13,830,813.99 = 5,438,650.34 : x - Step 2: Convert to fraction form
10,022,328.97/13,830,813.99 = 5,438,650.34/x - Step 3: Cross multiply
10,022,328.97x = 13,830,813.99 × 5,438,650.34 - Step 4: Simplify right side
10,022,328.97x = 75,220,961,181,997 - Step 5: Solve for x
x = 75,220,961,181,997/10,022,328.97 - Step 6: Final answer
x = 7,505,337.48
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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.