Finding the Fourth Proportional to 10,006,529.58, 13,809,022.77 and 5,422,850.95
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Solution
The fourth proportional to 10,006,529.58, 13,809,022.77 and 5,422,850.95 is: 7,483,540.79
Step by Step Solution
- Step 1: Write the proportion equation
10,006,529.58 : 13,809,022.77 = 5,422,850.95 : x - Step 2: Convert to fraction form
10,006,529.58/13,809,022.77 = 5,422,850.95/x - Step 3: Cross multiply
10,006,529.58x = 13,809,022.77 × 5,422,850.95 - Step 4: Simplify right side
10,006,529.58x = 74,884,272,246,866.12 - Step 5: Solve for x
x = 74,884,272,246,866.12/10,006,529.58 - Step 6: Final answer
x = 7,483,540.79
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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.