Finding the Fourth Proportional to 14,239,542.74, 19,650,107.70 and 7,959,903.02
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Solution
The fourth proportional to 14,239,542.74, 19,650,107.70 and 7,959,903.02 is: 10,984,408.31
Step by Step Solution
- Step 1: Write the proportion equation
14,239,542.74 : 19,650,107.70 = 7,959,903.02 : x - Step 2: Convert to fraction form
14,239,542.74/19,650,107.70 = 7,959,903.02/x - Step 3: Cross multiply
14,239,542.74x = 19,650,107.70 × 7,959,903.02 - Step 4: Simplify right side
14,239,542.74x = 156,412,951,624,555.25 - Step 5: Solve for x
x = 156,412,951,624,555.25/14,239,542.74 - Step 6: Final answer
x = 10,984,408.31
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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.