Finding the Fourth Proportional to 11,471,563.99, 15,827,192.35 and 6,509,184.45
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Solution
The fourth proportional to 11,471,563.99, 15,827,192.35 and 6,509,184.45 is: 8,980,651.15
Step by Step Solution
- Step 1: Write the proportion equation
11,471,563.99 : 15,827,192.35 = 6,509,184.45 : x - Step 2: Convert to fraction form
11,471,563.99/15,827,192.35 = 6,509,184.45/x - Step 3: Cross multiply
11,471,563.99x = 15,827,192.35 × 6,509,184.45 - Step 4: Simplify right side
11,471,563.99x = 103,022,114,331,778.95 - Step 5: Solve for x
x = 103,022,114,331,778.95/11,471,563.99 - Step 6: Final answer
x = 8,980,651.15
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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.