Finding the Fourth Proportional to 13,104,296.80, 19,656,445.20 and 12,096,527.20
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Solution
The fourth proportional to 13,104,296.80, 19,656,445.20 and 12,096,527.20 is: 18,144,790.80
Step by Step Solution
- Step 1: Write the proportion equation
13,104,296.80 : 19,656,445.20 = 12,096,527.20 : x - Step 2: Convert to fraction form
13,104,296.80/19,656,445.20 = 12,096,527.20/x - Step 3: Cross multiply
13,104,296.80x = 19,656,445.20 × 12,096,527.20 - Step 4: Simplify right side
13,104,296.80x = 237,774,724,017,109.41 - Step 5: Solve for x
x = 237,774,724,017,109.41/13,104,296.80 - Step 6: Final answer
x = 18,144,790.80
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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.