Finding the Fourth Proportional to 10,322,953.80, 15,483,430.14 and 3,134,550.87
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Solution
The fourth proportional to 10,322,953.80, 15,483,430.14 and 3,134,550.87 is: 4,701,522.49
Step by Step Solution
- Step 1: Write the proportion equation
10,322,953.80 : 15,483,430.14 = 3,134,550.87 : x - Step 2: Convert to fraction form
10,322,953.80/15,483,430.14 = 3,134,550.87/x - Step 3: Cross multiply
10,322,953.80x = 15,483,430.14 × 3,134,550.87 - Step 4: Simplify right side
10,322,953.80x = 48,533,599,415,921.23 - Step 5: Solve for x
x = 48,533,599,415,921.23/10,322,953.80 - Step 6: Final answer
x = 4,701,522.49
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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.