Finding the Fourth Proportional to 7,343,746.20, 11,015,619.30 and 5,832,091.80
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Solution
The fourth proportional to 7,343,746.20, 11,015,619.30 and 5,832,091.80 is: 8,748,137.70
Step by Step Solution
- Step 1: Write the proportion equation
7,343,746.20 : 11,015,619.30 = 5,832,091.80 : x - Step 2: Convert to fraction form
7,343,746.20/11,015,619.30 = 5,832,091.80/x - Step 3: Cross multiply
7,343,746.20x = 11,015,619.30 × 5,832,091.80 - Step 4: Simplify right side
7,343,746.20x = 64,244,102,991,451.74 - Step 5: Solve for x
x = 64,244,102,991,451.74/7,343,746.20 - Step 6: Final answer
x = 8,748,137.70
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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.