Finding the Fourth Proportional to 11,700,160.16, 17,540,727.80 and 4,881,812.09
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Solution
The fourth proportional to 11,700,160.16, 17,540,727.80 and 4,881,812.09 is: 7,318,749.13
Step by Step Solution
- Step 1: Write the proportion equation
11,700,160.16 : 17,540,727.80 = 4,881,812.09 : x - Step 2: Convert to fraction form
11,700,160.16/17,540,727.80 = 4,881,812.09/x - Step 3: Cross multiply
11,700,160.16x = 17,540,727.80 × 4,881,812.09 - Step 4: Simplify right side
11,700,160.16x = 85,630,536,929,326.41 - Step 5: Solve for x
x = 85,630,536,929,326.41/11,700,160.16 - Step 6: Final answer
x = 7,318,749.13
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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.