Finding the Fourth Proportional to 13,973,473.55, 20,962,178.63 and 4,874,244.09
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Solution
The fourth proportional to 13,973,473.55, 20,962,178.63 and 4,874,244.09 is: 7,312,052.71
Step by Step Solution
- Step 1: Write the proportion equation
13,973,473.55 : 20,962,178.63 = 4,874,244.09 : x - Step 2: Convert to fraction form
13,973,473.55/20,962,178.63 = 4,874,244.09/x - Step 3: Cross multiply
13,973,473.55x = 20,962,178.63 × 4,874,244.09 - Step 4: Simplify right side
13,973,473.55x = 102,174,775,216,100.81 - Step 5: Solve for x
x = 102,174,775,216,100.81/13,973,473.55 - Step 6: Final answer
x = 7,312,052.71
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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.