Finding the Fourth Proportional to 13,225,116.08, 18,251,265.83 and 7,344,777.08
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Solution
The fourth proportional to 13,225,116.08, 18,251,265.83 and 7,344,777.08 is: 10,136,128.72
Step by Step Solution
- Step 1: Write the proportion equation
13,225,116.08 : 18,251,265.83 = 7,344,777.08 : x - Step 2: Convert to fraction form
13,225,116.08/18,251,265.83 = 7,344,777.08/x - Step 3: Cross multiply
13,225,116.08x = 18,251,265.83 × 7,344,777.08 - Step 4: Simplify right side
13,225,116.08x = 134,051,478,821,190.95 - Step 5: Solve for x
x = 134,051,478,821,190.95/13,225,116.08 - Step 6: Final answer
x = 10,136,128.72
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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.