Finding the Fourth Proportional to 11,221,364.08, 16,807,687.21 and 6,890,267.55
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Solution
The fourth proportional to 11,221,364.08, 16,807,687.21 and 6,890,267.55 is: 10,320,444.20
Step by Step Solution
- Step 1: Write the proportion equation
11,221,364.08 : 16,807,687.21 = 6,890,267.55 : x - Step 2: Convert to fraction form
11,221,364.08/16,807,687.21 = 6,890,267.55/x - Step 3: Cross multiply
11,221,364.08x = 16,807,687.21 × 6,890,267.55 - Step 4: Simplify right side
11,221,364.08x = 115,809,461,821,618.05 - Step 5: Solve for x
x = 115,809,461,821,618.05/11,221,364.08 - Step 6: Final answer
x = 10,320,444.20
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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.