Finding the Fourth Proportional to 12,648,800.19, 18,980,756.70 and 11,619,705.26
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Solution
The fourth proportional to 12,648,800.19, 18,980,756.70 and 11,619,705.26 is: 17,436,499.52
Step by Step Solution
- Step 1: Write the proportion equation
12,648,800.19 : 18,980,756.70 = 11,619,705.26 : x - Step 2: Convert to fraction form
12,648,800.19/18,980,756.70 = 11,619,705.26/x - Step 3: Cross multiply
12,648,800.19x = 18,980,756.70 × 11,619,705.26 - Step 4: Simplify right side
12,648,800.19x = 220,550,798,469,648.22 - Step 5: Solve for x
x = 220,550,798,469,648.22/12,648,800.19 - Step 6: Final answer
x = 17,436,499.52
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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.