Finding the Fourth Proportional to 14,219,088.75, 19,622,847.33 and 8,025,643.26
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Solution
The fourth proportional to 14,219,088.75, 19,622,847.33 and 8,025,643.26 is: 11,075,672.65
Step by Step Solution
- Step 1: Write the proportion equation
14,219,088.75 : 19,622,847.33 = 8,025,643.26 : x - Step 2: Convert to fraction form
14,219,088.75/19,622,847.33 = 8,025,643.26/x - Step 3: Cross multiply
14,219,088.75x = 19,622,847.33 × 8,025,643.26 - Step 4: Simplify right side
14,219,088.75x = 157,485,972,416,023.47 - Step 5: Solve for x
x = 157,485,972,416,023.47/14,219,088.75 - Step 6: Final answer
x = 11,075,672.65
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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.