Finding the Fourth Proportional to 11,157,306.03, 16,728,318.68 and 5,681,801.82
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Solution
The fourth proportional to 11,157,306.03, 16,728,318.68 and 5,681,801.82 is: 8,518,811.91
Step by Step Solution
- Step 1: Write the proportion equation
11,157,306.03 : 16,728,318.68 = 5,681,801.82 : x - Step 2: Convert to fraction form
11,157,306.03/16,728,318.68 = 5,681,801.82/x - Step 3: Cross multiply
11,157,306.03x = 16,728,318.68 × 5,681,801.82 - Step 4: Simplify right side
11,157,306.03x = 95,046,991,493,155 - Step 5: Solve for x
x = 95,046,991,493,155/11,157,306.03 - Step 6: Final answer
x = 8,518,811.91
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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.