Finding the Fourth Proportional to 10,848,559.20, 14,972,684.40 and 6,264,520.80
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Solution
The fourth proportional to 10,848,559.20, 14,972,684.40 and 6,264,520.80 is: 8,646,004.61
Step by Step Solution
- Step 1: Write the proportion equation
10,848,559.20 : 14,972,684.40 = 6,264,520.80 : x - Step 2: Convert to fraction form
10,848,559.20/14,972,684.40 = 6,264,520.80/x - Step 3: Cross multiply
10,848,559.20x = 14,972,684.40 × 6,264,520.80 - Step 4: Simplify right side
10,848,559.20x = 93,796,692,855,635.52 - Step 5: Solve for x
x = 93,796,692,855,635.52/10,848,559.20 - Step 6: Final answer
x = 8,646,004.61
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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.