Finding the Fourth Proportional to 14,279,237.31, 19,721,571.81 and 9,624,995.13
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Solution
The fourth proportional to 14,279,237.31, 19,721,571.81 and 9,624,995.13 is: 13,293,429.37
Step by Step Solution
- Step 1: Write the proportion equation
14,279,237.31 : 19,721,571.81 = 9,624,995.13 : x - Step 2: Convert to fraction form
14,279,237.31/19,721,571.81 = 9,624,995.13/x - Step 3: Cross multiply
14,279,237.31x = 19,721,571.81 × 9,624,995.13 - Step 4: Simplify right side
14,279,237.31x = 189,820,032,627,195.28 - Step 5: Solve for x
x = 189,820,032,627,195.28/14,279,237.31 - Step 6: Final answer
x = 13,293,429.37
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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.