Finding the Fourth Proportional to 13,979,466.76, 19,275,157.01 and 9,571,329.99
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Solution
The fourth proportional to 13,979,466.76, 19,275,157.01 and 9,571,329.99 is: 13,197,133.45
Step by Step Solution
- Step 1: Write the proportion equation
13,979,466.76 : 19,275,157.01 = 9,571,329.99 : x - Step 2: Convert to fraction form
13,979,466.76/19,275,157.01 = 9,571,329.99/x - Step 3: Cross multiply
13,979,466.76x = 19,275,157.01 × 9,571,329.99 - Step 4: Simplify right side
13,979,466.76x = 184,488,888,351,771.75 - Step 5: Solve for x
x = 184,488,888,351,771.75/13,979,466.76 - Step 6: Final answer
x = 13,197,133.45
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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.