Finding the Fourth Proportional to 13,487,023.22, 18,613,534.42 and 8,263,497.96
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Solution
The fourth proportional to 13,487,023.22, 18,613,534.42 and 8,263,497.96 is: 11,404,510.93
Step by Step Solution
- Step 1: Write the proportion equation
13,487,023.22 : 18,613,534.42 = 8,263,497.96 : x - Step 2: Convert to fraction form
13,487,023.22/18,613,534.42 = 8,263,497.96/x - Step 3: Cross multiply
13,487,023.22x = 18,613,534.42 × 8,263,497.96 - Step 4: Simplify right side
13,487,023.22x = 153,812,903,708,059.81 - Step 5: Solve for x
x = 153,812,903,708,059.81/13,487,023.22 - Step 6: Final answer
x = 11,404,510.93
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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.