Finding the Fourth Proportional to 14,073,419.25, 19,421,187.35 and 7,961,847.75
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Solution
The fourth proportional to 14,073,419.25, 19,421,187.35 and 7,961,847.75 is: 10,987,275.66
Step by Step Solution
- Step 1: Write the proportion equation
14,073,419.25 : 19,421,187.35 = 7,961,847.75 : x - Step 2: Convert to fraction form
14,073,419.25/19,421,187.35 = 7,961,847.75/x - Step 3: Cross multiply
14,073,419.25x = 19,421,187.35 × 7,961,847.75 - Step 4: Simplify right side
14,073,419.25x = 154,628,536,765,116.72 - Step 5: Solve for x
x = 154,628,536,765,116.72/14,073,419.25 - Step 6: Final answer
x = 10,987,275.66
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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.