Finding the Fourth Proportional to 14,448,378.21, 19,939,657.77 and 8,009,850.21
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Solution
The fourth proportional to 14,448,378.21, 19,939,657.77 and 8,009,850.21 is: 11,054,089.92
Step by Step Solution
- Step 1: Write the proportion equation
14,448,378.21 : 19,939,657.77 = 8,009,850.21 : x - Step 2: Convert to fraction form
14,448,378.21/19,939,657.77 = 8,009,850.21/x - Step 3: Cross multiply
14,448,378.21x = 19,939,657.77 × 8,009,850.21 - Step 4: Simplify right side
14,448,378.21x = 159,713,671,976,362.62 - Step 5: Solve for x
x = 159,713,671,976,362.62/14,448,378.21 - Step 6: Final answer
x = 11,054,089.92
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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.