Finding the Fourth Proportional to 11,274,816.93, 15,559,289.36 and 6,118,178.05
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Solution
The fourth proportional to 11,274,816.93, 15,559,289.36 and 6,118,178.05 is: 8,443,108.50
Step by Step Solution
- Step 1: Write the proportion equation
11,274,816.93 : 15,559,289.36 = 6,118,178.05 : x - Step 2: Convert to fraction form
11,274,816.93/15,559,289.36 = 6,118,178.05/x - Step 3: Cross multiply
11,274,816.93x = 15,559,289.36 × 6,118,178.05 - Step 4: Simplify right side
11,274,816.93x = 95,194,502,635,950.55 - Step 5: Solve for x
x = 95,194,502,635,950.55/11,274,816.93 - Step 6: Final answer
x = 8,443,108.50
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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.