Finding the Fourth Proportional to 13,369,991.36, 18,450,802.50 and 7,258,415
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Solution
The fourth proportional to 13,369,991.36, 18,450,802.50 and 7,258,415 is: 10,016,729.11
Step by Step Solution
- Step 1: Write the proportion equation
13,369,991.36 : 18,450,802.50 = 7,258,415 : x - Step 2: Convert to fraction form
13,369,991.36/18,450,802.50 = 7,258,415/x - Step 3: Cross multiply
13,369,991.36x = 18,450,802.50 × 7,258,415 - Step 4: Simplify right side
13,369,991.36x = 133,923,581,628,037.50 - Step 5: Solve for x
x = 133,923,581,628,037.50/13,369,991.36 - Step 6: Final answer
x = 10,016,729.11
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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.