Finding the Fourth Proportional to 10,235,518.94, 15,358,592.01 and 4,174,697.18
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Solution
The fourth proportional to 10,235,518.94, 15,358,592.01 and 4,174,697.18 is: 6,264,212.99
Step by Step Solution
- Step 1: Write the proportion equation
10,235,518.94 : 15,358,592.01 = 4,174,697.18 : x - Step 2: Convert to fraction form
10,235,518.94/15,358,592.01 = 4,174,697.18/x - Step 3: Cross multiply
10,235,518.94x = 15,358,592.01 × 4,174,697.18 - Step 4: Simplify right side
10,235,518.94x = 64,117,470,752,917.53 - Step 5: Solve for x
x = 64,117,470,752,917.53/10,235,518.94 - Step 6: Final answer
x = 6,264,212.99
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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.