Finding the Fourth Proportional to 14,396,451.99, 19,761,352.73 and 12,728,317.74
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Solution
The fourth proportional to 14,396,451.99, 19,761,352.73 and 12,728,317.74 is: 17,471,580.96
Step by Step Solution
- Step 1: Write the proportion equation
14,396,451.99 : 19,761,352.73 = 12,728,317.74 : x - Step 2: Convert to fraction form
14,396,451.99/19,761,352.73 = 12,728,317.74/x - Step 3: Cross multiply
14,396,451.99x = 19,761,352.73 × 12,728,317.74 - Step 4: Simplify right side
14,396,451.99x = 251,528,776,456,014.88 - Step 5: Solve for x
x = 251,528,776,456,014.88/14,396,451.99 - Step 6: Final answer
x = 17,471,580.96
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.