Finding the Fourth Proportional to 13,545,686.56, 20,313,805.92 and 5,968,518.88
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Solution
The fourth proportional to 13,545,686.56, 20,313,805.92 and 5,968,518.88 is: 8,950,696.86
Step by Step Solution
- Step 1: Write the proportion equation
13,545,686.56 : 20,313,805.92 = 5,968,518.88 : x - Step 2: Convert to fraction form
13,545,686.56/20,313,805.92 = 5,968,518.88/x - Step 3: Cross multiply
13,545,686.56x = 20,313,805.92 × 5,968,518.88 - Step 4: Simplify right side
13,545,686.56x = 121,243,334,158,175.78 - Step 5: Solve for x
x = 121,243,334,158,175.78/13,545,686.56 - Step 6: Final answer
x = 8,950,696.86
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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.