Finding the Fourth Proportional to 10,050,569.64, 13,872,249.63 and 5,702,201.28
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Solution
The fourth proportional to 10,050,569.64, 13,872,249.63 and 5,702,201.28 is: 7,870,435.45
Step by Step Solution
- Step 1: Write the proportion equation
10,050,569.64 : 13,872,249.63 = 5,702,201.28 : x - Step 2: Convert to fraction form
10,050,569.64/13,872,249.63 = 5,702,201.28/x - Step 3: Cross multiply
10,050,569.64x = 13,872,249.63 × 5,702,201.28 - Step 4: Simplify right side
10,050,569.64x = 79,102,359,596,665.53 - Step 5: Solve for x
x = 79,102,359,596,665.53/10,050,569.64 - Step 6: Final answer
x = 7,870,435.45
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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.