Finding the Fourth Proportional to 13,202,151.93, 19,810,948.41 and 5,525,154.99
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Solution
The fourth proportional to 13,202,151.93, 19,810,948.41 and 5,525,154.99 is: 8,290,963.55
Step by Step Solution
- Step 1: Write the proportion equation
13,202,151.93 : 19,810,948.41 = 5,525,154.99 : x - Step 2: Convert to fraction form
13,202,151.93/19,810,948.41 = 5,525,154.99/x - Step 3: Cross multiply
13,202,151.93x = 19,810,948.41 × 5,525,154.99 - Step 4: Simplify right side
13,202,151.93x = 109,458,560,464,144.08 - Step 5: Solve for x
x = 109,458,560,464,144.08/13,202,151.93 - Step 6: Final answer
x = 8,290,963.55
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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.