Finding the Fourth Proportional to 13,724,107.04, 18,941,539.20 and 7,614,503.84
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Solution
The fourth proportional to 13,724,107.04, 18,941,539.20 and 7,614,503.84 is: 10,509,275.58
Step by Step Solution
- Step 1: Write the proportion equation
13,724,107.04 : 18,941,539.20 = 7,614,503.84 : x - Step 2: Convert to fraction form
13,724,107.04/18,941,539.20 = 7,614,503.84/x - Step 3: Cross multiply
13,724,107.04x = 18,941,539.20 × 7,614,503.84 - Step 4: Simplify right side
13,724,107.04x = 144,230,422,973,910.53 - Step 5: Solve for x
x = 144,230,422,973,910.53/13,724,107.04 - Step 6: Final answer
x = 10,509,275.58
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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.