Finding the Fourth Proportional to 10,218,497.50, 14,101,867.08 and 5,572,536.81
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Solution
The fourth proportional to 10,218,497.50, 14,101,867.08 and 5,572,536.81 is: 7,690,286.50
Step by Step Solution
- Step 1: Write the proportion equation
10,218,497.50 : 14,101,867.08 = 5,572,536.81 : x - Step 2: Convert to fraction form
10,218,497.50/14,101,867.08 = 5,572,536.81/x - Step 3: Cross multiply
10,218,497.50x = 14,101,867.08 × 5,572,536.81 - Step 4: Simplify right side
10,218,497.50x = 78,583,173,393,027.20 - Step 5: Solve for x
x = 78,583,173,393,027.20/10,218,497.50 - Step 6: Final answer
x = 7,690,286.50
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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.