Finding the Fourth Proportional to 13,230,430.74, 19,816,712.02 and 9,380,583.62
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Solution
The fourth proportional to 13,230,430.74, 19,816,712.02 and 9,380,583.62 is: 14,050,360.70
Step by Step Solution
- Step 1: Write the proportion equation
13,230,430.74 : 19,816,712.02 = 9,380,583.62 : x - Step 2: Convert to fraction form
13,230,430.74/19,816,712.02 = 9,380,583.62/x - Step 3: Cross multiply
13,230,430.74x = 19,816,712.02 × 9,380,583.62 - Step 4: Simplify right side
13,230,430.74x = 185,892,324,177,069.09 - Step 5: Solve for x
x = 185,892,324,177,069.09/13,230,430.74 - Step 6: Final answer
x = 14,050,360.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.