Finding the Fourth Proportional to 11,545,334.98, 15,932,703.99 and 6,389,176.30
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Solution
The fourth proportional to 11,545,334.98, 15,932,703.99 and 6,389,176.30 is: 8,817,141.72
Step by Step Solution
- Step 1: Write the proportion equation
11,545,334.98 : 15,932,703.99 = 6,389,176.30 : x - Step 2: Convert to fraction form
11,545,334.98/15,932,703.99 = 6,389,176.30/x - Step 3: Cross multiply
11,545,334.98x = 15,932,703.99 × 6,389,176.30 - Step 4: Simplify right side
11,545,334.98x = 101,796,854,727,823.44 - Step 5: Solve for x
x = 101,796,854,727,823.44/11,545,334.98 - Step 6: Final answer
x = 8,817,141.72
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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.