Finding the Fourth Proportional to 8,135,390.64, 11,226,970.08 and 4,697,932.08
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Solution
The fourth proportional to 8,135,390.64, 11,226,970.08 and 4,697,932.08 is: 6,483,221.92
Step by Step Solution
- Step 1: Write the proportion equation
8,135,390.64 : 11,226,970.08 = 4,697,932.08 : x - Step 2: Convert to fraction form
8,135,390.64/11,226,970.08 = 4,697,932.08/x - Step 3: Cross multiply
8,135,390.64x = 11,226,970.08 × 4,697,932.08 - Step 4: Simplify right side
8,135,390.64x = 52,743,542,900,032.16 - Step 5: Solve for x
x = 52,743,542,900,032.16/8,135,390.64 - Step 6: Final answer
x = 6,483,221.92
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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.