Finding the Fourth Proportional to 7,391,343.30, 11,089,088.55 and 3,604,949.70
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Solution
The fourth proportional to 7,391,343.30, 11,089,088.55 and 3,604,949.70 is: 5,408,435.90
Step by Step Solution
- Step 1: Write the proportion equation
7,391,343.30 : 11,089,088.55 = 3,604,949.70 : x - Step 2: Convert to fraction form
7,391,343.30/11,089,088.55 = 3,604,949.70/x - Step 3: Cross multiply
7,391,343.30x = 11,089,088.55 × 3,604,949.70 - Step 4: Simplify right side
7,391,343.30x = 39,975,606,441,595.94 - Step 5: Solve for x
x = 39,975,606,441,595.94/7,391,343.30 - Step 6: Final answer
x = 5,408,435.90
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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.