Finding the Fourth Proportional to 8,121,533.04, 11,207,715.12 and 4,858,484.76
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Solution
The fourth proportional to 8,121,533.04, 11,207,715.12 and 4,858,484.76 is: 6,704,708.68
Step by Step Solution
- Step 1: Write the proportion equation
8,121,533.04 : 11,207,715.12 = 4,858,484.76 : x - Step 2: Convert to fraction form
8,121,533.04/11,207,715.12 = 4,858,484.76/x - Step 3: Cross multiply
8,121,533.04x = 11,207,715.12 × 4,858,484.76 - Step 4: Simplify right side
8,121,533.04x = 54,452,513,104,941.56 - Step 5: Solve for x
x = 54,452,513,104,941.56/8,121,533.04 - Step 6: Final answer
x = 6,704,708.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.