Finding the Fourth Proportional to 14,220,303.15, 19,623,878.84 and 7,693,789.41
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Solution
The fourth proportional to 14,220,303.15, 19,623,878.84 and 7,693,789.41 is: 10,617,353.91
Step by Step Solution
- Step 1: Write the proportion equation
14,220,303.15 : 19,623,878.84 = 7,693,789.41 : x - Step 2: Convert to fraction form
14,220,303.15/19,623,878.84 = 7,693,789.41/x - Step 3: Cross multiply
14,220,303.15x = 19,623,878.84 × 7,693,789.41 - Step 4: Simplify right side
14,220,303.15x = 150,981,991,202,315.09 - Step 5: Solve for x
x = 150,981,991,202,315.09/14,220,303.15 - Step 6: Final answer
x = 10,617,353.91
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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.